{ "version": 4, "scope": "Cited, additive locality review overlay. Frozen PBDB classifications and occurrence rows remain unchanged. These are positive assertions and ambiguity guards, never exhaustive ranges or negative eliminations.", "aliases": [ { "rank": "formation", "country": "MN", "names": [ "Baruungoyot", "Barun Goyot" ], "note": "The type-locality statement explicitly equates these names.", "source": { "title": "Kubo et al. (2023), A new alvarezsaurid dinosaur from the Upper Cretaceous Baruungoyot Formation of Mongolia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0293801", "doi": "10.1371/journal.pone.0293801", "access": "full primary text", "sections": "Introduction; Materials and methods; Type locality and horizon; Diagnosis" } }, { "rank": "group", "country": "CN", "names": [ "Xinminpu", "Xinminbao" ], "note": "Explicit equality in chapter. This alias does not collapse group and formation ranks.", "source": { "title": "You, Li and Dodson (2014), Gongpoquansaurus mazongshanensis comb. nov., in Hadrosaurs", "url": "https://www.researchgate.net/publication/270571183_Gongpoquansaurus_mazongshanensis_Lu_1997_comb_nov_Ornithischia_Hadrosauroidea_from_the_Early_Cretaceous_of_Gansu_Province_northwestern_China", "doi": null, "access": "indexed author-uploaded primary chapter", "sections": "Figure 4.1; Introduction and geological setting, pp. 73–74" } }, { "rank": "formation", "country": "CN", "names": [ "Xinlong", "Napai", "Napan" ], "note": "Explicit regional naming relationship in the primary vertebrate review; not a global similarity rule.", "source": { "title": "Mo et al. 2015 online / 2016 issue · Xinlong vertebrate review", "url": "https://www.researchgate.net/publication/279805233_Early_Cretaceous_vertebrates_from_the_Xinlong_Formation_of_Guangxi_southern_China_A_review", "doi": "10.1017/S0016756815000394", "access": "publisher full text displayed on ResearchGate", "sections": "Geological setting; Sauropoda, pp.144 and 150–151" } }, { "rank": "state", "country": "CN", "names": [ "Xizang", "Xizang Zizhiqu" ], "note": "Same Chinese administrative region, with the autonomous-region suffix; no geological equivalence.", "source": { "title": "Frozen PBDB administrative geography", "url": "https://paleobiodb.org/classic/displayCollResults?a=basicCollectionSearch&collection_no=53673", "access": "captured occurrence 1252925 and collection 53673" } } ], "hierarchies": [ { "country": "CN", "rank": "formation", "parent": "Shaximiao", "children": [ "Lower Shaximiao", "Upper Shaximiao" ], "source": { "title": "Li et al. (2011), Dinosaur assemblages from the Middle Jurassic Shaximiao and Chuanjie formations", "url": "https://vjs.pgi.gov.pl/article/download/26567/18275/39914", "doi": null, "access": "full primary review PDF", "sections": "Introduction; Upper member assemblage; Table 1" }, "note": "Broad parent includes both subunits; broad unspecified records are unknown for a narrower subunit. Rank usage differs among papers; this guard cannot certify revised stratigraphy." } ], "rankAmbiguities": [ { "country": "CN", "name": "Nanxiong", "ranks": [ "formation", "group" ], "note": "Cross-rank records remain possible for either unit wording until the specimen unit is reviewed." }, { "country": "CN", "name": "Hekou", "ranks": [ "formation", "group" ], "note": "Primary description uses Hekou Group; older formation-rank catalogue entries require review." } ], "positiveAssertions": [ { "genera": [ "Nodosaurus", "Stegopelta" ], "country": "US", "rank": "formation", "name": "Frontier", "certainty": "reported", "source": { "title": "Hayakawa, Manabe & Carpenter (2005), Nodosaurid Ankylosaur from the Cenomanian of Japan", "url": "https://www.researchgate.net/publication/249023613_Nodosaurid_Ankylosaur_from_the_Cenomanian_of_Japan", "doi": "10.1671/0272-4634(2005)025[0240:NAFTCO]2.0.CO;2", "access": "author-uploaded primary article Table 1 read; North American horizons compile Carpenter & Kirkland 1998" }, "note": "Both listed in the Belle Fourche Member in Table 1; neither can be eliminated by this formation clue.", "id": "nodosauridae-1" }, { "genera": [ "Nodosaurus", "Stegopelta" ], "country": "US", "rank": "member", "name": "Belle Fourche", "certainty": "reported", "source": { "title": "Hayakawa, Manabe & Carpenter (2005), Nodosaurid Ankylosaur from the Cenomanian of Japan", "url": "https://www.researchgate.net/publication/249023613_Nodosaurid_Ankylosaur_from_the_Cenomanian_of_Japan", "doi": "10.1671/0272-4634(2005)025[0240:NAFTCO]2.0.CO;2", "access": "author-uploaded primary article Table 1 read; North American horizons compile Carpenter & Kirkland 1998" }, "note": "Member-level clue still matches both.", "formation": "Frontier", "id": "nodosauridae-2" }, { "genera": [ "Edmontonia", "Panoplosaurus" ], "country": "CA", "rank": "formation", "name": "Dinosaur Park", "certainty": "reported", "source": { "title": "Livius et al. (2026), Redescription of the Panoplosaurus mirus holotype skull using computed tomography, and a new comparative scheme for panoplosaurin cranial ornamentation", "url": "https://www.tandfonline.com/doi/full/10.1080/02724634.2026.2636589", "doi": "10.1080/02724634.2026.2636589", "access": "full paper, systematic palaeontology and biostratigraphy read", "authorCopy": "https://dinodata.de/bibliothek/pdf_r/2026/Redescription_Panoplosaurus_2026.pdf" }, "note": "Both affirmed in 2026 revision. Edmontonia longiceps type is elsewhere; E. rugosidens and Edmontonia sp. still establish genus-level overlap.", "id": "nodosauridae-3" }, { "genera": [ "Sauropelta", "Tatankacephalus" ], "country": "US", "rank": "formation", "name": "Cloverly", "certainty": "reported", "source": { "title": "Parsons & Parsons (2009), A new ankylosaur from the Lower Cretaceous Cloverly Formation of central Montana", "url": "https://doi.org/10.1139/E09-045", "doi": "10.1139/E09-045", "access": "primary article abstract read via author research listing", "authorCopy": "https://www.researchgate.net/publication/233592535_A_new_ankylosaur_Dinosauria_Ankylosauria_from_the_Lower_Cretaceous_Cloverly_Formation_of_central_Montana" }, "note": "Same formation acknowledged in the original Tatankacephalus description.", "id": "nodosauridae-4" }, { "genera": [ "Pawpawsaurus", "Texasetes" ], "country": "US", "rank": "formation", "name": "Paw Paw", "certainty": "reported", "source": { "title": "Pereda-Suberbiola & Barrett (1999), A systematic review of ankylosaurian dinosaur remains from the Albian-Cenomanian of England", "url": "https://palass.org/sites/default/files/media/publications/special_papers_in_palaeontology/number_60/SPP60_compressed_OCR_0.pdf", "doi": null, "access": "full paper pp.177-208; Anoplosaurus type locality and comparative introduction read" }, "note": "Both recorded from this formation in primary review, citing their original descriptions.", "id": "nodosauridae-5" }, { "genera": [ "Gastonia", "Animantarx", "Peloroplites" ], "country": "US", "rank": "formation", "name": "Cedar Mountain", "certainty": "reported", "source": { "title": "Kinneer, Carpenter & Shaw (2016), Redescription of Gastonia burgei and description of a new species", "url": "https://doi.org/10.1127/njgpa/2016/0605", "doi": "10.1127/njgpa/2016/0605", "access": "author-uploaded full paper, introduction, locality descriptions and discussion read", "authorCopy": "https://www.researchgate.net/publication/308878540_Redescription_of_Gastonia_burgei_Dinosauria_Ankylosauria_Polacanthidae_and_description_of_a_new_species" }, "note": "Named genera share the formation; their preferred/type sites differ. This is a summary of recorded evidence, not an additional fossil with an unknown member; citations attach to the linked records. Horizon alternatives remain explicit.", "id": "nodosauridae-6", "recordLinks": { "Gastonia": [ "284148", "284618", "1193450" ], "Animantarx": [ "285084" ], "Peloroplites": [ "534790" ] } }, { "genera": [ "Animantarx", "Peloroplites" ], "country": "US", "rank": "member", "name": "Mussentuchit", "certainty": "reported", "source": { "title": "Carpenter et al. (2008), Ankylosaurs from the Price River Quarries, Cedar Mountain Formation, east-central Utah", "url": "https://www.tandfonline.com/doi/abs/10.1671/0272-4634-28.4.1089", "doi": "10.1671/0272-4634-28.4.1089", "access": "full primary paper, Introduction and Type Locality and Stratum read" }, "note": "Original Peloroplites horizon at base of member; original Animantarx description places it in this member. This is a summary of recorded evidence, not an additional fossil with an unknown member; citations attach to the linked records. Horizon alternatives remain explicit.", "formation": "Cedar Mountain", "id": "nodosauridae-7", "recordLinks": { "Animantarx": [ "285084" ], "Peloroplites": [ "534790" ] } }, { "genera": [ "Sauropelta" ], "country": "US", "rank": "formation", "name": "Cedar Mountain", "certainty": "uncertain", "source": { "title": "Kinneer, Carpenter & Shaw (2016), Redescription of Gastonia burgei and description of a new species", "url": "https://doi.org/10.1127/njgpa/2016/0605", "doi": "10.1127/njgpa/2016/0605", "access": "author-uploaded full paper, introduction, locality descriptions and discussion read", "authorCopy": "https://www.researchgate.net/publication/308878540_Redescription_of_Gastonia_burgei_Dinosauria_Ankylosauria_Polacanthidae_and_description_of_a_new_species" }, "note": "Authors expressly doubt the old referral and retain cf. Sauropelta in discussion. Do not silently remove this uncertainty from the candidate count. This is a summary of recorded evidence, not an additional fossil with an unknown member; citations attach to the linked records. Horizon alternatives remain explicit.", "id": "nodosauridae-8", "recordLinks": { "Sauropelta": [ "491338", "1627456" ] } }, { "genera": [ "Struthiosaurus" ], "country": "HU", "rank": "formation", "name": "Csehbánya", "certainty": "uncertain", "source": { "title": "Ősi & Prondvai (2013), Sympatry of two ankylosaurs (Hungarosaurus and cf. Struthiosaurus) in the Santonian of Hungary", "url": "https://www.sciencedirect.com/science/article/abs/pii/S0195667113000554", "doi": "10.1016/j.cretres.2013.03.006", "access": "full author manuscript, collection locality and qualified identification read", "authorCopy": "https://pure-oai.bham.ac.uk/ws/portalfiles/portal/104972671/_si_et_Prondvai_2013_Ankylosaur_sympatry_at_Ihark_t.pdf" }, "note": "cf. Struthiosaurus specimen MTM PAL 2012.30.1 at Iharkút; Hungary absent from snapshot Struthiosaurus country footprint does not justify exclusion.", "id": "nodosauridae-9" }, { "genera": [ "Hungarosaurus" ], "country": "HU", "rank": "formation", "name": "Csehbánya", "certainty": "reported", "source": { "title": "Ősi (2005), Hungarosaurus tormai, a new ankylosaur from the Upper Cretaceous of Hungary", "url": "https://www.tandfonline.com/doi/abs/10.1671/0272-4634%282005%29025%5B0370%3AHTANAD%5D2.0.CO%3B2", "doi": "10.1671/0272-4634(2005)025[0370:HTANAD]2.0.CO;2", "access": "publisher abstract / indexed primary article text" }, "note": "Confirmed genus at Iharkút; compare with uncertain Struthiosaurus overlap.", "id": "nodosauridae-10" }, { "genera": [ "Edmontonia" ], "country": "US", "rank": "formation", "name": "Aguja", "certainty": "uncertain", "source": { "title": "Livius et al. (2026), Redescription of the Panoplosaurus mirus holotype skull using computed tomography, and a new comparative scheme for panoplosaurin cranial ornamentation", "url": "https://www.tandfonline.com/doi/full/10.1080/02724634.2026.2636589", "doi": "10.1080/02724634.2026.2636589", "access": "full paper, systematic palaeontology and biostratigraphy read", "authorCopy": "https://dinodata.de/bibliothek/pdf_r/2026/Redescription_Panoplosaurus_2026.pdf" }, "note": "AMNH 3076 referred to cf. Edmontonia in 2026 systematic treatment.", "id": "nodosauridae-11" }, { "genera": [ "Panoplosaurus" ], "country": "US", "rank": "formation", "name": "Matanuska", "certainty": "uncertain", "source": { "title": "Livius et al. (2026), Redescription of the Panoplosaurus mirus holotype skull using computed tomography, and a new comparative scheme for panoplosaurin cranial ornamentation", "url": "https://www.tandfonline.com/doi/full/10.1080/02724634.2026.2636589", "doi": "10.1080/02724634.2026.2636589", "access": "full paper, systematic palaeontology and biostratigraphy read", "authorCopy": "https://dinodata.de/bibliothek/pdf_r/2026/Redescription_Panoplosaurus_2026.pdf" }, "note": "DPMWA 90-25 tentative referral; not equivalent to a firmly identified Alaskan occurrence.", "id": "nodosauridae-12" }, { "genera": [ "Utahceratops", "Kosmoceratops" ], "country": "US", "rank": "formation", "name": "Kaiparowits", "certainty": "reported", "source": { "title": "Sampson et al. (2010), New Horned Dinosaurs from Utah Provide Evidence for Intracontinental Dinosaur Endemism", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0012292", "doi": "10.1371/journal.pone.0012292", "access": "Full article reviewed" }, "note": "Both type and referred specimens span overlapping lower/middle units. A Kaiparowits clue retains both.", "id": "ceratopsid-overlaps-1" }, { "genera": [ "Vagaceratops" ], "country": "CA", "rank": "formation", "name": "Dinosaur Park", "certainty": "reported", "source": { "title": "Sampson et al. (2010), New Horned Dinosaurs from Utah Provide Evidence for Intracontinental Dinosaur Endemism", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0012292", "doi": "10.1371/journal.pone.0012292", "access": "Full article reviewed" }, "note": "Type and assigned specimens in upper lithofacies.", "id": "ceratopsid-overlaps-2" }, { "genera": [ "Chasmosaurus" ], "country": "CA", "rank": "formation", "name": "Dinosaur Park", "certainty": "reported", "source": { "title": "Campbell et al. (2016), A Re-Evaluation of the Chasmosaurine Ceratopsid Genus Chasmosaurus", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0145805", "doi": "10.1371/journal.pone.0145805", "access": "Full article reviewed" }, "note": "Genus confirmed; C.russelli holotype classification subsequently revised2026.", "id": "ceratopsid-overlaps-3" }, { "genera": [ "Anchiceratops", "Arrhinoceratops" ], "country": "CA", "rank": "formation", "name": "Horseshoe Canyon", "certainty": "reported", "source": { "title": "Fowler and Freedman Fowler (2020), Transitional evolutionary forms in chasmosaurine ceratopsid dinosaurs", "url": "https://peerj.com/articles/9251/", "doi": "10.7717/peerj.9251", "access": "Publisher/PMC indexed full-text passages; publisher access blocked" }, "note": "Both documented in Horsethief/Morrin members; neither can be eliminated by the other having a different type quarry.", "id": "ceratopsid-overlaps-4" }, { "genera": [ "Agujaceratops" ], "country": "US", "rank": "formation", "name": "Aguja", "certainty": "reported", "source": { "title": "Lehman et al. (2017), New specimens from the Aguja Formation and a revision of Agujaceratops", "url": "https://www.tandfonline.com/doi/abs/10.1080/14772019.2016.1210683", "doi": "10.1080/14772019.2016.1210683", "access": "Publisher abstract" }, "note": "Both named species in the Aguja Formation; not evidence the genus is absent elsewhere.", "id": "ceratopsid-overlaps-5" }, { "genera": [ "Bisticeratops" ], "country": "US", "rank": "formation", "name": "Kirtland", "certainty": "reported", "source": { "title": "Dalman et al. (2022), A new chasmosaurine ceratopsid from the Farmington Member of the Kirtland Formation", "url": "https://www.researchgate.net/publication/362680358_A_new_chasmosaurine_ceratopsid_from_the_Upper_Cretaceous_Campanian_Farmington_Member_of_the_Kirtland_Formation_New_Mexico", "access": "Original article indexed abstract and official New Mexico Museum announcement" }, "note": "Skull from Farmington Member.", "id": "ceratopsid-overlaps-6" }, { "genera": [ "Bravoceratops" ], "country": "US", "rank": "formation", "name": "Javelina", "certainty": "reported", "source": { "title": "Wick and Lehman (2013), A new ceratopsian dinosaur from the Javelina Formation", "url": "https://pubmed.ncbi.nlm.nih.gov/23728202/", "doi": "10.1007/s00114-013-1063-0", "access": "Indexed original article abstract" }, "note": "Lowermost Javelina type material; diagnostic validity disputed in Fowler2020.", "id": "ceratopsid-overlaps-7" }, { "genera": [ "Coahuilaceratops" ], "country": "MX", "rank": "formation", "name": "Cerro Huerta", "certainty": "reported", "source": { "title": "Barrera Guevara et al. (2024), Stratigraphic Reassessment of Coahuilaceratops magnacuerna", "url": "https://www.mdpi.com/1424-2818/16/7/390", "doi": "10.3390/d16070390", "access": "Original article PDF reviewed through preserved dinodata mirror" }, "note": "Type quarry reassigned from Cerro del Pueblo after measured-section/host-rock review. Preserve old attribution as revision flag, not another independent occurrence.", "id": "ceratopsid-overlaps-8" }, { "genera": [ "Judiceratops" ], "country": "US", "rank": "formation", "name": "Judith River", "certainty": "reported", "source": { "title": "Longrich (2013), Judiceratops tigris from the Middle Campanian Judith River Formation", "url": "https://researchportal.bath.ac.uk/en/publications/judiceratops-tigris-a-new-horned-dinosaur-from-the-middle-campani", "doi": "10.3374/014.054.0103", "access": "Author institution publication abstract" }, "note": "Middle Campanian specimen; exact within-formation horizon not securely established.", "id": "ceratopsid-overlaps-9" }, { "genera": [ "Spiclypeus" ], "country": "US", "rank": "formation", "name": "Judith River", "certainty": "reported", "source": { "title": "Mallon et al. (2016), Spiclypeus shipporum gen. et sp. nov.", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154218", "doi": "10.1371/journal.pone.0154218", "access": "Full article reviewed" }, "note": "Lower Coal Ridge Member type specimenCMN57081; geographic overlap at formation scale with Judiceratops despite different sections.", "id": "ceratopsid-overlaps-10" }, { "genera": [ "Navajoceratops", "Terminocavus" ], "country": "US", "rank": "formation", "name": "Kirtland", "certainty": "reported", "source": { "title": "Fowler and Freedman Fowler (2020), Transitional evolutionary forms in chasmosaurine ceratopsid dinosaurs", "url": "https://peerj.com/articles/9251/", "doi": "10.7717/peerj.9251", "access": "Publisher/PMC indexed full-text passages; publisher access blocked" }, "note": "Both type specimens from Hunter Wash Member; lower/middle member differences do not split a formation-level clue.", "id": "ceratopsid-overlaps-11" }, { "genera": [ "Pentaceratops" ], "country": "US", "rank": "formation", "name": "Fruitland", "certainty": "reported", "source": { "title": "Fowler and Freedman Fowler (2020), Transitional evolutionary forms in chasmosaurine ceratopsid dinosaurs", "url": "https://peerj.com/articles/9251/", "doi": "10.7717/peerj.9251", "access": "Publisher/PMC indexed full-text passages; publisher access blocked" }, "note": "Type species AMNH6325 Fruitland; older broad Kirtland referrals require specimen review.", "id": "ceratopsid-overlaps-12" }, { "genera": [ "Sierraceratops" ], "country": "US", "rank": "formation", "name": "Hall Lake", "certainty": "reported", "source": { "title": "Dalman et al. (2022), Sierraceratops turneri from the Hall Lake Formation", "url": "https://www.sciencedirect.com/science/article/pii/S0195667121002822", "doi": "10.1016/j.cretres.2021.105034", "access": "Publisher abstract" }, "note": "Original description establishes formation; specimens historically referred to Torosaurus should not duplicate genera as if independent fossils.", "id": "ceratopsid-overlaps-13" }, { "genera": [ "Diabloceratops", "Machairoceratops" ], "country": "US", "rank": "formation", "name": "Wahweap", "certainty": "reported", "source": { "title": "Lund et al. (2016), Machairoceratops cronusi from the Wahweap Formation", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154403", "doi": "10.1371/journal.pone.0154403", "access": "Full article reviewed" }, "note": "Lower/middle versus upper units; formation clue retains both.", "id": "ceratopsid-overlaps-14" }, { "genera": [ "Wendiceratops" ], "country": "CA", "rank": "formation", "name": "Oldman", "certainty": "reported", "source": { "title": "Evans and Ryan (2015), Cranial Anatomy of Wendiceratops pinhornensis", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0130007", "doi": "10.1371/journal.pone.0130007", "access": "Publisher indexed full-text passages" }, "note": "Known bonebed; lower Oldman.", "id": "ceratopsid-overlaps-15" }, { "genera": [ "Stellasaurus", "Rubeosaurus" ], "country": "US", "rank": "formation", "name": "Two Medicine", "certainty": "reported", "source": { "title": "Wilson et al. (2020), A new transitional centrosaurine from Two Medicine Formation", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC7211873/", "doi": "10.1098/rsos.200284", "access": "Indexed original full-text passages" }, "note": "Separate specimens within formation; one old Rubeosaurus referral reassigned to Stellasaurus. Taxonomic debate should not become negative evidence.", "id": "ceratopsid-overlaps-16" }, { "genera": [ "Coronosaurus", "Centrosaurus" ], "country": "CA", "rank": "formation", "name": "Oldman", "certainty": "reported", "source": { "title": "Wilson et al. (2020), A new transitional centrosaurine from Two Medicine Formation", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC7211873/", "doi": "10.1098/rsos.200284", "access": "Indexed original full-text passages" }, "note": "Source reviews middle Oldman Coronosaurus and upper Oldman Centrosaurus. Different levels preserve formation overlap.", "id": "ceratopsid-overlaps-17" }, { "genera": [ "Centrosaurus", "Styracosaurus" ], "country": "CA", "rank": "formation", "name": "Dinosaur Park", "certainty": "reported", "source": { "title": "Wilson et al. (2020), A new transitional centrosaurine from Two Medicine Formation", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC7211873/", "doi": "10.1098/rsos.200284", "access": "Indexed original full-text passages" }, "note": "Both represented at formation level; faunal-zone distinctions do not erase wider formation overlap.", "id": "ceratopsid-overlaps-18" }, { "genera": [ "Spinops" ], "country": "CA", "rank": "formation", "name": "Oldman", "certainty": "uncertain", "source": { "title": "Farke et al. (2011), A new centrosaurine from the Late Cretaceous of Alberta", "url": "https://app.pan.pl/article/item/app20100121.html", "doi": "10.4202/app.2010.0121", "access": "Original publisher abstract" }, "note": "Single lost quarry; Oldman/Dinosaur Park provenance alternatives, not independently confirmed discoveries.", "id": "ceratopsid-overlaps-19" }, { "genera": [ "Spinops" ], "country": "CA", "rank": "formation", "name": "Dinosaur Park", "certainty": "uncertain", "source": { "title": "Farke et al. (2011), A new centrosaurine from the Late Cretaceous of Alberta", "url": "https://app.pan.pl/article/item/app20100121.html", "doi": "10.4202/app.2010.0121", "access": "Original publisher abstract" }, "note": "Single lost quarry; Oldman/Dinosaur Park provenance alternatives, not independently confirmed discoveries.", "id": "ceratopsid-overlaps-20" }, { "genera": [ "Furcatoceratops" ], "country": "US", "rank": "formation", "name": "Judith River", "certainty": "reported", "source": { "title": "Ishikawa et al. (2023), Furcatoceratops elucidans from Judith River Formation", "url": "https://www.sciencedirect.com/science/article/pii/S019566712300188X", "doi": "10.1016/j.cretres.2023.105660", "access": "Publisher abstract" }, "note": "Original description establishes formation.", "id": "ceratopsid-overlaps-21" }, { "genera": [ "Avaceratops" ], "country": "US", "rank": "formation", "name": "Judith River", "certainty": "reported", "source": { "title": "Mallon et al. (2016), Spiclypeus shipporum gen. et sp. nov.", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154218", "doi": "10.1371/journal.pone.0154218", "access": "Full article reviewed" }, "note": "Type skeleton Careless Creek Quarry; member/age less secure than formation identification.", "id": "ceratopsid-overlaps-22" }, { "genera": [ "Yehuecauhceratops" ], "country": "MX", "rank": "formation", "name": "Aguja", "certainty": "reported", "source": { "title": "Rivera-Sylva et al. (2017), Mexican ceratopsids: considerations on diversity and biogeography", "url": "https://www.sciencedirect.com/science/article/abs/pii/S0895981116302917", "doi": "10.1016/j.jsames.2017.01.008", "access": "Publisher abstract" }, "note": "Original description establishes formation.", "id": "ceratopsid-overlaps-23" }, { "genera": [ "Nasutoceratops" ], "country": "US", "rank": "formation", "name": "Kaiparowits", "certainty": "reported", "source": { "title": "Lund et al. (2016), Machairoceratops cronusi from the Wahweap Formation", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154403", "doi": "10.1371/journal.pone.0154403", "access": "Full article reviewed" }, "note": "Original Machairoceratops comparative geological context names Nasutoceratops from overlying Kaiparowits.", "id": "ceratopsid-overlaps-24" }, { "genera": [ "Torosaurus" ], "country": "US", "rank": "formation", "name": "Hell Creek", "certainty": "reported", "source": { "title": "McDonald et al. (2016), A New Specimen of Torosaurus latus from Hell Creek", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0151453", "doi": "10.1371/journal.pone.0151453", "access": "Full article reviewed" }, "note": "ESU2009-6 Montana plus other cited Montana/SouthDakota specimens; type Lance locality must not exclude HellCreek.", "id": "ceratopsid-overlaps-25" }, { "genera": [ "Torosaurus" ], "country": "US", "rank": "formation", "name": "Lance", "certainty": "reported", "source": { "title": "McDonald et al. (2016), A New Specimen of Torosaurus latus from Hell Creek", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0151453", "doi": "10.1371/journal.pone.0151453", "access": "Full article reviewed" }, "note": "HolotypeYPM1830 andYPM1831 Wyoming.", "id": "ceratopsid-overlaps-26" }, { "genera": [ "Triceratops", "Torosaurus" ], "country": "US", "rank": "formation", "name": "Hell Creek", "certainty": "reported", "source": { "title": "Longrich and Field (2012), Torosaurus Is Not Triceratops", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0032623", "doi": "10.1371/journal.pone.0032623", "access": "Full article geographic section reviewed" }, "note": "Both genera overlap; broad formation statement cannot distinguish these genera.", "id": "ceratopsid-overlaps-27" }, { "genera": [ "Triceratops", "Torosaurus" ], "country": "US", "rank": "formation", "name": "Lance", "certainty": "reported", "source": { "title": "Longrich and Field (2012), Torosaurus Is Not Triceratops", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0032623", "doi": "10.1371/journal.pone.0032623", "access": "Full article geographic section reviewed" }, "note": "Geographic-distribution comparison includes Wyoming Lance overlap; cannot assign the two to exclusive HellCreek/Lance buckets.", "id": "ceratopsid-overlaps-28" }, { "genera": [ "Tyrannosaurus" ], "country": "US", "rank": "formation", "name": "Hell Creek", "certainty": "reported", "source": { "title": "American Museum of Natural History, 7 Questions About Tyrannosaurus rex", "url": "https://www.amnh.org/dinosaurs/tyrannosaurus-rex", "access": "Museum original collection history" }, "note": "Museum type history:1902 Montana partial skeleton. Genus also has other localities; type narrative not complete range.", "id": "ceratopsid-overlaps-29" }, { "genera": [ "Nanotyrannus", "Tyrannosaurus" ], "country": "US", "rank": "formation", "name": "Hell Creek", "certainty": "reported", "source": { "title": "Zanno and Napoli (2025), Nanotyrannus and Tyrannosaurus coexisted at the close of the Cretaceous", "url": "https://www.nature.com/articles/s41586-025-09801-6", "doi": "10.1038/s41586-025-09801-6", "access": "Publisher indexed abstract; has publisher correction10.1038/s41586-026-10185-4" }, "note": "NCSM40000 HellCreek; contemporary genera according to2025 systematic interpretation. PBDB inclusion/classification remains source-policy controlled.", "id": "ceratopsid-overlaps-30" }, { "genera": [ "Amurosaurus" ], "country": "RU", "rank": "formation", "name": "Udurchukan", "certainty": "reported", "source": { "title": "Godefroit et al. (2004), The lambeosaurine dinosaur Amurosaurus riabinini from Maastrichtian Far Eastern Russia", "url": "https://app.pan.pl/archive/published/app49/app49-585.pdf", "access": "Original publisher indexed article" }, "note": "Blagoveshchensk specimens. Do not equate formation with exact Kundur quarry.", "id": "ceratopsid-overlaps-31" }, { "genera": [ "Olorotitan" ], "country": "RU", "rank": "formation", "name": "Udurchukan", "certainty": "reported", "source": { "title": "Godefroit et al. (2012), Osteology and relationships of Olorotitan arharensis", "url": "https://app.pan.pl/article/item/app20110051.html", "doi": "10.4202/app.2011.0051", "access": "Original publisher abstract" }, "note": "Holotype from Kundur; same formation as classic Amurosaurus Blagoveshchensk records.", "id": "ceratopsid-overlaps-32" }, { "genera": [ "Titanoceratops" ], "country": "US", "rank": "formation", "name": "Fruitland", "certainty": "uncertain", "source": { "title": "Longrich (2011), Titanoceratops ouranos, a giant horned dinosaur from the late Campanian of New Mexico", "url": "https://www.sciencedirect.com/science/article/pii/S0195667110001205", "doi": "10.1016/j.cretres.2010.12.007", "access": "Publisher indexed geographic section" }, "note": "Original description:upper Fruitland OR lower Kirtland. One uncertain fossil provenance, not two independent occurrences.", "id": "ceratopsid-overlaps-33" }, { "genera": [ "Titanoceratops" ], "country": "US", "rank": "formation", "name": "Kirtland", "certainty": "uncertain", "source": { "title": "Longrich (2011), Titanoceratops ouranos, a giant horned dinosaur from the late Campanian of New Mexico", "url": "https://www.sciencedirect.com/science/article/pii/S0195667110001205", "doi": "10.1016/j.cretres.2010.12.007", "access": "Publisher indexed geographic section" }, "note": "Retain as possible due uncertain formation attribution.", "id": "ceratopsid-overlaps-34" }, { "genera": [ "Parvicursor", "Ceratonykus", "Ondogurvel", "Khulsanurus", "Jaculinykus" ], "country": "MN", "rank": "formation", "name": "Baruungoyot", "certainty": "reported", "note": "Five genera in the current eleven-member Parvicursorinae pool share this formation. Formation alone is not guaranteed to get below five; use a narrower justified locality or an independent clue.", "id": "asian-sauropod-1", "source": { "title": "Kubo et al. (2023), A new alvarezsaurid dinosaur from the Upper Cretaceous Baruungoyot Formation of Mongolia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0293801", "doi": "10.1371/journal.pone.0293801", "access": "full primary text", "sections": "Introduction; Materials and methods; Type locality and horizon; Diagnosis" } }, { "genera": [ "Jaculinykus", "Ondogurvel" ], "country": "MN", "rank": "locality", "name": "Nemegt locality", "certainty": "reported", "note": "The paper explicitly compares both taxa from the same locality. Jaculinykus is from upper Baruungoyot strata in the interfingering interval: locality name must not be mistaken for Nemegt Formation.", "id": "asian-sauropod-2", "source": { "title": "Kubo et al. (2023), A new alvarezsaurid dinosaur from the Upper Cretaceous Baruungoyot Formation of Mongolia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0293801", "doi": "10.1371/journal.pone.0293801", "access": "full primary text", "sections": "Introduction; Materials and methods; Type locality and horizon; Diagnosis" } }, { "genera": [ "Nemegtomaia" ], "country": "MN", "rank": "formation", "name": "Baruungoyot", "certainty": "reported", "note": "Nesting specimen MPC-D107/15 is referred to this genus and from upper Baruungoyot. This positive record remains even if the preferred anchor is the holotype's Nemegt Formation.", "id": "asian-sauropod-3", "source": { "title": "Fanti, Currie and Badamgarav (2012), New Specimens of Nemegtomaia from the Baruungoyot and Nemegt Formations", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0031330", "doi": "10.1371/journal.pone.0031330", "access": "full primary text", "sections": "Abstract; Introduction; Geology and stratigraphy; Methods" } }, { "genera": [ "Nemegtomaia" ], "country": "MN", "rank": "formation", "name": "Nemegt", "certainty": "reported", "note": "The holotype MPC-D100/2112 is reported from the Nemegt Formation at Nemegt locality. Keep both formations. The second new specimen's exact formation is described inconsistently in abstract versus methods; do not rely on that specimen for a precise assignment.", "id": "asian-sauropod-4", "source": { "title": "Fanti, Currie and Badamgarav (2012), New Specimens of Nemegtomaia from the Baruungoyot and Nemegt Formations", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0031330", "doi": "10.1371/journal.pone.0031330", "access": "full primary text", "sections": "Abstract; Introduction; Geology and stratigraphy; Methods" } }, { "genera": [ "Oksoko" ], "country": "MN", "rank": "formation", "name": "Nemegt", "certainty": "uncertain", "note": "Geochemical provenance strongly suggests Nemegt Formation, especially Nemegt locality; locality comparison sampling was incomplete. Not a securely observed quarry/discovery anchor.", "id": "asian-sauropod-5", "source": { "title": "Funston (2024), Osteology of the two-fingered oviraptorid Oksoko avarsan", "url": "https://academic.oup.com/zoolinnean/article/202/3/zlae011/7609522", "doi": "10.1093/zoolinnean/zlae011", "access": "publisher indexed text; direct full-page retrieval failed", "sections": "Provenance and geochemical fingerprinting discussion" } }, { "genera": [ "Fukuisaurus", "Koshisaurus" ], "country": "JP", "rank": "formation", "name": "Kitadani", "certainty": "reported", "note": "Both are from Kitadani; the quarry contains distinct bonebeds. A shared quarry/formation cannot become disjoint genus buckets.", "id": "asian-sauropod-6", "source": { "title": "Shibata and Azuma (2015), New basal hadrosauroid from the Lower Cretaceous Kitadani Formation", "url": "https://www.mapress.com/zootaxa/2015/f/z03914p440f.pdf", "doi": "10.11646/zootaxa.3914.4.3", "access": "publisher abstract and indexed primary PDF", "sections": "Abstract; quarry bonebed description" } }, { "genera": [ "Yunganglong" ], "country": "CN", "rank": "formation", "name": "Zhumapu", "certainty": "reported", "note": "Type horizon in the lower part of this formation. Province/county retained from the primary locality statement.", "id": "asian-sauropod-7", "source": { "title": "Wang et al. (2013), A New Hadrosauroid Dinosaur from the Early Late Cretaceous of Shanxi Province", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0077058", "doi": "10.1371/journal.pone.0077058", "access": "full primary text", "sections": "Locality and horizon" }, "state": "Shanxi", "county": "Zuoyun" }, { "genera": [ "Zuoyunlong" ], "country": "CN", "rank": "formation", "name": "Zhumapu", "certainty": "reported", "note": "Second hadrosauroid from the same formation/locality area as Yunganglong. Combined known overlap is two, before conservative unknowns. Province/county retained from the primary locality statement.", "id": "asian-sauropod-8", "source": { "title": "Wang et al. (2015), A second hadrosauroid dinosaur from the early Late Cretaceous of Zuoyun", "url": "https://www.tandfonline.com/doi/abs/10.1080/08912963.2015.1118688", "doi": "10.1080/08912963.2015.1118688", "access": "publisher abstract and indexed author figure", "sections": "Abstract; locality figure discussion" }, "state": "Shanxi", "county": "Zuoyun" }, { "genera": [ "Ratchasimasaurus", "Sirindhorna", "Siamodon" ], "country": "TH", "rank": "formation", "name": "Khok Kruat", "certainty": "reported", "note": "First two are members of the direct Hadrosauroidea Asian 24-genus pool. Siamodon is outside that direct pool but may still belong in a wider gameplay comparison universe. Do not exclude it based solely on direct-parent screening.", "id": "asian-sauropod-9", "source": { "title": "Shibata et al. (2015), A New Basal Hadrosauroid Dinosaur from the Lower Cretaceous Khok Kruat Formation", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0145904", "doi": "10.1371/journal.pone.0145904", "access": "publisher indexed primary text", "sections": "Abstract; Discussion" } }, { "genera": [ "Equijubus", "Gongpoquansaurus", "Jintasaurus", "Xuwulong" ], "country": "CN", "rank": "group", "name": "Xinminpu", "certainty": "reported", "note": "Four hadrosauroids across Gongpoquan and Yujingzi basins. Source explicitly equates Xinminpu and Xinminbao. Group contains Xiagou and Zhonggou formations; group is not globally synonymous with Zhonggou. Gansu Province retained from the chapter geological setting and Figure 4.1; no exact county inferred.", "id": "asian-sauropod-10", "source": { "title": "You, Li and Dodson (2014), Gongpoquansaurus mazongshanensis comb. nov., in Hadrosaurs", "url": "https://www.researchgate.net/publication/270571183_Gongpoquansaurus_mazongshanensis_Lu_1997_comb_nov_Ornithischia_Hadrosauroidea_from_the_Early_Cretaceous_of_Gansu_Province_northwestern_China", "doi": null, "access": "indexed author-uploaded primary chapter", "sections": "Figure 4.1; Introduction and geological setting, pp. 73–74" }, "state": "Gansu" }, { "genera": [ "Equijubus", "Gongpoquansaurus", "Jintasaurus", "Xuwulong" ], "country": "CN", "rank": "formation", "name": "Zhonggou", "certainty": "reported", "note": "Chapter figure and text place these four in Zhonggou; revised unit mapping cites expedition fieldwork and a personal communication. Preserve this evidence status alongside older group-level entries. Gansu Province retained from the chapter geological setting and Figure 4.1; no exact county inferred.", "id": "asian-sauropod-11", "source": { "title": "You, Li and Dodson (2014), Gongpoquansaurus mazongshanensis comb. nov., in Hadrosaurs", "url": "https://www.researchgate.net/publication/270571183_Gongpoquansaurus_mazongshanensis_Lu_1997_comb_nov_Ornithischia_Hadrosauroidea_from_the_Early_Cretaceous_of_Gansu_Province_northwestern_China", "doi": null, "access": "indexed author-uploaded primary chapter", "sections": "Figure 4.1; Introduction and geological setting, pp. 73–74" }, "state": "Gansu" }, { "genera": [ "Daxiatitan", "Yongjinglong" ], "country": "CN", "rank": "group", "name": "Hekou", "certainty": "reported", "note": "Same Hekou Group near Zhongpu; their quarries are less than one kilometre apart. Huanghetitan liujiaxiaensis also comes from these strata, outside current direct Euhelopodidae pool. Do not falsely label the group as a formation.", "id": "asian-sauropod-12", "source": { "title": "Li et al. (2014), A New Titanosaurian Sauropod from the Hekou Group", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0085979", "doi": "10.1371/journal.pone.0085979", "access": "full primary text", "sections": "Introduction; Field methods" }, "recordLinks": { "Daxiatitan": [ "829375" ], "Yongjinglong": [ "1587594" ] } }, { "genera": [ "Anhuilong", "Huangshanlong" ], "country": "CN", "rank": "formation", "name": "Hongqin", "certainty": "reported", "note": "Both from Hongqin Formation beneath Tunxi Formation. Tunxi is the overlying unit studied, not the dinosaur-bearing formation.", "id": "asian-sauropod-13", "source": { "title": "Ren et al. (2025), Late Jurassic tectono-volcanic evolution and sauropod radiation of eastern Jiangnan orogen", "url": "https://journal.hep.com.cn/cg/EN/PDF/10.31035/cg2023087", "doi": "10.31035/cg2023087", "access": "full primary PDF", "sections": "Introduction and Geological setting, pp. 779–781" } }, { "genera": [ "Eomamenchisaurus", "Yuanmousaurus" ], "country": "CN", "rank": "formation", "name": "Zhanghe", "certainty": "reported", "note": "Primary geological setting explicitly reports both here. Does not resolve their debated taxonomic distinction.", "id": "asian-sauropod-14", "source": { "title": "A new metriacanthosaurid theropod dinosaur from the Middle Jurassic of Yunnan Province", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC11971988/", "doi": "10.7717/peerj.19218", "access": "indexed primary text", "sections": "Geological setting" } }, { "genera": [ "Bellusaurus" ], "country": "CN", "rank": "formation", "name": "Shishugou", "certainty": "reported", "note": "Formation established by the primary study; no exhaustive geographic-range assertion.", "id": "asian-sauropod-15", "source": { "title": "Moore et al. (2018), Cranial anatomy of Bellusaurus sui from the Shishugou Formation", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC5985764/", "doi": "10.7717/peerj.4881", "access": "primary indexed title and abstract; direct publisher/PMC full retrieval blocked" } }, { "genera": [ "Klamelisaurus" ], "country": "CN", "rank": "formation", "name": "Shishugou", "certainty": "reported", "note": "Together with Bellusaurus, two positive members of the selected Mamenchisauridae pool. Broader Shishugou membership requires collection/literature checks.", "id": "asian-sauropod-16", "source": { "title": "Moore et al. (2020), Osteology of Klamelisaurus gobiensis", "url": "https://discovery.ucl.ac.uk/id/eprint/10101710/", "doi": "10.1080/14772019.2020.1759706", "access": "author institutional repository abstract" } }, { "genera": [ "Hudiesaurus", "Rhomaleopakhus" ], "country": "CN", "rank": "formation", "name": "Kalazha", "certainty": "reported", "note": "Latest reassessment assigns both to lower Kalazha, Qiketai, Turpan Basin. Forelimb formerly referred to Hudiesaurus is Rhomaleopakhus. Older Qigu assignment is not an orthographic alias.", "id": "asian-sauropod-17", "source": { "title": "Upchurch et al. (2021), Re-assessment of Hudiesaurus sinojapanorum and evolution of hyper-robust antebrachia", "url": "https://www.tandfonline.com/doi/full/10.1080/02724634.2021.1994414", "doi": "10.1080/02724634.2021.1994414", "access": "publisher indexed primary text; full direct page blocked", "repositoryUrl": "https://discovery.ucl.ac.uk/id/eprint/10135460/7/Mannion_02724634.2021.pdf", "sections": "Locality and horizon; Rhomaleopakhus systematic section" } }, { "genera": [ "Mamenchisaurus", "Omeisaurus", "Daanosaurus", "Zigongosaurus" ], "country": "CN", "rank": "formation", "name": "Upper Shaximiao", "certainty": "reported", "note": "Review reports these taxa, treating Zigongosaurus as Mamenchisaurus fuxiensis. PBDB currently keeps both genera; that does not establish two independently viable answers. Older classification is not a new roster decision.", "id": "asian-sauropod-18", "source": { "title": "Li et al. (2011), Dinosaur assemblages from the Middle Jurassic Shaximiao and Chuanjie formations", "url": "https://vjs.pgi.gov.pl/article/download/26567/18275/39914", "doi": null, "access": "full primary review PDF", "sections": "Introduction; Upper member assemblage; Table 1" } }, { "genera": [ "Qijianglong" ], "country": "CN", "rank": "formation", "name": "Upper Shaximiao", "certainty": "uncertain", "note": "Recent paper cites reassignment from Suining based on unpublished museum surveys. Retain dispute; do not automatically equate Suining with Upper Shaximiao.", "id": "asian-sauropod-19", "source": { "title": "A new mamenchisaurid sauropod dinosaur from the Upper Jurassic of Southwest China", "url": "https://www.nature.com/articles/s41598-025-29995-z", "doi": "10.1038/s41598-025-29995-z", "access": "publisher indexed primary text; full page cookie failure", "sections": "Introduction; Discussion" } }, { "genera": [ "Banji", "Ganzhousaurus", "Jiangxisaurus" ], "country": "CN", "rank": "group", "name": "Nanxiong", "certainty": "reported", "note": "Paper's geological setting lists these genera from Ganzhou red beds, called Nanxiong Group there. Related primary descriptions use Nanxiong Formation. Rank variation requires explicit modelling, not a silent group/formation alias. Audit retains this as group-rank evidence; it does not certify formation-rank membership.", "id": "asian-sauropod-20", "source": { "title": "Wang et al. (2016), Elongatoolithid eggs containing oviraptorid embryos from Southern China", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC4807547/", "doi": "10.1186/s12862-016-0633-0", "access": "indexed primary text", "sections": "Geological setting; taxonomic discussion" }, "recordLinks": { "Banji": [ "883310" ], "Ganzhousaurus": [ "1126121" ], "Jiangxisaurus": [ "1163955" ] } }, { "genera": [ "Ganzhousaurus" ], "country": "CN", "rank": "formation", "name": "Nanxiong", "certainty": "reported", "note": "Original description states Nanxiong Formation of Nankang County, Ganzhou City.", "id": "asian-sauropod-21", "source": { "title": "Wang et al. (2013), A new oviraptorid from the Upper Cretaceous of southern China", "url": "https://mapress.com/zt/article/view/zootaxa.3640.2.7", "doi": "10.11646/zootaxa.3640.2.7", "access": "publisher abstract" }, "recordLinks": { "Ganzhousaurus": [ "1126121" ] } }, { "id": "adamantisaurus-type-2006-formation", "genera": [ "Adamantisaurus" ], "country": "BR", "state": "São Paulo", "rank": "formation", "name": "Adamantina", "certainty": "reported", "evidenceProfile": "adamantisaurus-type-locality", "specimens": [ "MUGEO 1282", "MUGEO 1289", "MUGEO 1295" ], "note": "Documented holotype locality; broad formation assignment retained after the 2022 review. No automatic synonymy with newer formations or precise age assignment.", "source": { "title": "Santucci & Bertini (2006), A new titanosaur from western São Paulo State", "url": "https://repositorio.unesp.br/bitstreams/f9502a4e-cced-45c6-9397-9994c733c70e/download", "access": "full original description", "sections": "Geological setting; Holotype; Type horizon and locality, pp. 60–61" } }, { "id": "adamantisaurus-type-2006-group", "genera": [ "Adamantisaurus" ], "country": "BR", "state": "São Paulo", "rank": "group", "name": "Bauru", "certainty": "reported", "evidenceProfile": "adamantisaurus-type-locality", "specimens": [ "MUGEO 1282", "MUGEO 1289", "MUGEO 1295" ], "note": "Documented holotype locality; broad formation assignment retained after the 2022 review. No automatic synonymy with newer formations or precise age assignment.", "source": { "title": "Santucci & Bertini (2006), A new titanosaur from western São Paulo State", "url": "https://repositorio.unesp.br/bitstreams/f9502a4e-cced-45c6-9397-9994c733c70e/download", "access": "full original description", "sections": "Geological setting; Holotype; Type horizon and locality, pp. 60–61" } }, { "id": "adamantisaurus-type-2006-site", "genera": [ "Adamantisaurus" ], "country": "BR", "state": "São Paulo", "rank": "locality", "name": "Railway between Adamantina and Irapuru, near Flórida Paulista", "certainty": "reported", "evidenceProfile": "adamantisaurus-type-locality", "specimens": [ "MUGEO 1282", "MUGEO 1289", "MUGEO 1295" ], "note": "Documented holotype locality; broad formation assignment retained after the 2022 review. No automatic synonymy with newer formations or precise age assignment.", "source": { "title": "Santucci & Bertini (2006), A new titanosaur from western São Paulo State", "url": "https://repositorio.unesp.br/bitstreams/f9502a4e-cced-45c6-9397-9994c733c70e/download", "access": "full original description", "sections": "Geological setting; Holotype; Type horizon and locality, pp. 60–61" } }, { "id": "complete-lingwulong", "genera": [ "Lingwulong" ], "rank": "formation", "name": "Yanan", "country": "CN", "certainty": "reported", "source": { "title": "Xu et al. 2018 · Lingwulong", "url": "https://discovery.ucl.ac.uk/10053260/1/Xuetal2018(Lingwulong).pdf", "doi": "10.1038/s41467-018-05128-1", "access": "full author manuscript", "sections": "Results: systematic palaeontology, p.2" }, "recordLinks": { "Lingwulong": [ "1412529" ] } }, { "id": "complete-jiangxisaurus", "genera": [ "Jiangxisaurus" ], "rank": "formation", "name": "Nanxiong", "country": "CN", "certainty": "reported", "source": { "title": "Wei et al. 2013 · Jiangxisaurus", "url": "https://onlinelibrary.wiley.com/doi/10.1111/1755-6724.12098", "doi": "10.1111/1755-6724.12098", "access": "original publisher abstract; full description not obtained", "sections": "Abstract" }, "recordLinks": { "Jiangxisaurus": [ "1163955" ] } }, { "id": "complete-nankangia", "genera": [ "Nankangia" ], "rank": "formation", "name": "Nanxiong", "country": "CN", "certainty": "reported", "source": { "title": "Lü et al. 2013 · Nankangia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0080557", "doi": "10.1371/journal.pone.0080557", "access": "full primary text", "sections": "Holotype; Type locality and horizon; Discussion" }, "recordLinks": { "Nankangia": [ "1183820" ] } }, { "id": "complete-paulodon-0", "genera": [ "Paulodon" ], "rank": "formation", "name": "Camarillas", "country": "ES", "certainty": "reported", "source": { "title": "Sancarlo, Mandorlo & Ford 2025. Reassessment of Iguanodon galvensis classification. Mesozoic 2(4):302–312.", "url": "https://www.mapress.com/mz/article/view/mesozoic.2.4.3/57945", "access": "Full original PDF read, systematic/locality sections pp309–311." }, "state": "Aragon", "note": "The original2025 formal genus description directly supplies missing positive locality. It transfers Iguanodon galvensis, not the whole genus Iguanodon. ", "material": "MAP-4787", "site": "SC1, SIBELCO EUROPE claymine, Galve, Teruel" }, { "id": "complete-koutalisaurus-0", "genera": [ "Koutalisaurus" ], "rank": "formation", "name": "Tremp", "country": "ES", "certainty": "reported", "source": { "title": "Prieto-Márquez et al. 2006. Hadrosauroid dinosaurs from the Late Cretaceous of Spain. JVP26:929–943.", "url": "https://www.researchgate.net/publication/249023648_Hadrosauroid_dinosaurs_from_the_Late_Cretaceous_of_Spain_Pararhabdodon_isonensis_revisited_and_Koutalisaurus_kohlerorum_gen_et_sp_nov", "access": "Full original text from author upload read, geological setting and Koutalisaurus systematic sections." }, "state": "Catalonia", "note": "The original2006 and2013 re-study identify the material and locality. Genuine taxonomic uncertainty does not justify cutting an included PBDB genus. ", "material": "IPS29920 (formerly IPS SRA27)", "site": "Les Llaus, Lleida" }, { "id": "complete-hanssuesia-0", "genera": [ "Hanssuesia" ], "rank": "formation", "name": "Dinosaur Park", "country": "CA", "certainty": "uncertain", "source": { "title": "Sullivan2003. Revision of the dinosaur Stegoceras Lambe. JVP23:181–207.", "url": "https://www.researchgate.net/publication/313820861_Revision_of_the_dinosaur_Stegoceras_Lambe_Ornithischia_Pachycephalosauridae", "access": "Full original author-upload text read, Hanssuesia systematic and distribution sections." }, "state": "Alberta", "qualification": "Historical referral. Original account notes remote Oldman provenance possibility.", "note": "Retain PBDB inclusion despite proposed scientific synonymy with Stegoceras. Add supported Alberta/Canada and Montana/USA footprint; do not silently promote rejected TwoMedicine material. Historical referral. Original account notes remote Oldman provenance possibility.", "material": "CMN8817", "site": "southeast of Steveville" }, { "id": "complete-hanssuesia-1", "genera": [ "Hanssuesia" ], "rank": "formation", "name": "Oldman", "country": "CA", "certainty": "uncertain", "source": { "title": "Sullivan2006. A taxonomic review of the Pachycephalosauridae. NMNHScience Bulletin35:347–365.", "url": "https://www.dinochecker.com/papers/a-taxonomic-review-of-the-Pachycephalosauridae_Sullivan_2006.pdf", "access": "Full original PDF mirror read, systematic account p353 and conflicting summary p363." }, "state": "Alberta", "qualification": "Reported distribution in taxonomic review; material-level mapping not verified.", "note": "Retain PBDB inclusion despite proposed scientific synonymy with Stegoceras. Add supported Alberta/Canada and Montana/USA footprint; do not silently promote rejected TwoMedicine material. Reported distribution in taxonomic review; material-level mapping not verified.", "material": null, "site": null }, { "id": "complete-hanssuesia-2", "genera": [ "Hanssuesia" ], "rank": "formation", "name": "Judith River", "country": "US", "certainty": "uncertain", "source": { "title": "Sullivan2003. Revision of the dinosaur Stegoceras Lambe. JVP23:181–207.", "url": "https://www.researchgate.net/publication/313820861_Revision_of_the_dinosaur_Stegoceras_Lambe_Ornithischia_Pachycephalosauridae", "access": "Full original author-upload text read, Hanssuesia systematic and distribution sections." }, "state": "Montana", "qualification": "Historical referred specimen, independent generic identity contested.", "note": "Retain PBDB inclusion despite proposed scientific synonymy with Stegoceras. Add supported Alberta/Canada and Montana/USA footprint; do not silently promote rejected TwoMedicine material. Historical referred specimen, independent generic identity contested.", "material": "UCMP130051", "site": null }, { "id": "complete-ponerosteus-0", "genera": [ "Ponerosteus" ], "rank": "country", "name": "Czechia", "country": "CZ", "certainty": "uncertain", "source": { "title": "Fritsch1878. Die Reptilien und Fische der böhmischen Kreideformation. p3,fig2,plateIfig4–5.", "url": "https://www.biodiversitylibrary.org/item/110006", "access": "Full original scan OCR downloaded and pertinent original German account read." }, "qualification": "Modern country inferred from original named Bohemian locality. Historical unit is not certified as a modern formation.", "note": "Original material locality is recoverable despite no PBDB occurrences. Bone identity is too weak for hidden-answer approval, but no compelling artifact proves the PBDB genus should be cut. Modern country inferred from original named Bohemian locality. Historical unit is not certified as a modern formation.", "material": "Medullary cast originally Iguanodon?exogirarum; second incomplete limb bone", "site": "Holubice (Holubitz/Holubic) quarries near Kralupy (Kralup)" }, { "id": "complete-dachongosaurus", "genera": [ "Dachongosaurus" ], "rank": "formation", "name": "Lower Lufeng", "country": "CN", "certainty": "reported", "source": { "title": "Li Kui 1998, The Sauropoda fossils and their stratigraphical distribution in China, Journal of Chengdu University of Technology 25(1):54–60", "url": "https://xbzrkx.cdut.edu.cn/cn/article/pdf/preview/cee890b8-eac4-481b-a536-8758b614bee9.pdf", "access": "Complete seven-page publisher PDF downloaded and inspected; Chinese text on printed p.55" }, "state": "Yunnan", "note": "Later primary review supplies positive locality; original naming account not verified. No member or exact site inferred." }, { "id": "complete-oshanosaurus", "genera": [ "Oshanosaurus" ], "rank": "formation", "name": "Lower Lufeng", "country": "CN", "certainty": "reported", "source": { "title": "Li Kui 1998, The Sauropoda fossils and their stratigraphical distribution in China, Journal of Chengdu University of Technology 25(1):54–60", "url": "https://xbzrkx.cdut.edu.cn/cn/article/pdf/preview/cee890b8-eac4-481b-a536-8758b614bee9.pdf", "access": "Complete seven-page publisher PDF downloaded and inspected; Chinese text on printed p.55" }, "state": "Yunnan", "note": "Later primary review supplies positive locality; original naming account not verified. No member or exact site inferred." } ], "reviewFlags": [ { "genera": [ "Edmontonia", "Panoplosaurus" ], "reason": "Historical specimen reassignment changes supposed geographic ranges; use 2026 specimen referrals alongside, not silently instead of, frozen PBDB evidence.", "reviewFile": "nodosauridae.json" }, { "genera": [ "Gastonia", "Sauropelta" ], "reason": "Member nomenclature and disputed Cedar Mountain referrals need curator decisions.", "reviewFile": "nodosauridae.json" }, { "genera": [ "Hylaeosaurus", "Polacanthus" ], "reason": "2020 revision rejects many provenance-based referrals; raw accepted PBDB occurrences may preserve older attributions.", "reviewFile": "nodosauridae.json" }, { "genera": [ "Anoplosaurus" ], "reason": "Type-series formation provenance uncertain between Cambridge Greensand and Upper Gault Clay; reworking matters.", "reviewFile": "nodosauridae.json" }, { "genera": [ "Patagopelta" ], "reason": "New 2025/2026 paper places taxon in Parankylosauria; source-tree discrepancy requires explicit recorded policy decision.", "reviewFile": "nodosauridae.json" }, { "genera": [ "Hungarosaurus", "Struthiosaurus" ], "reason": "Supplement cf. Hungarian overlap absent from frozen PBDB footprint.", "reviewFile": "nodosauridae.json" }, { "genera": [ "Kosmoceratops", "Chasmosaurus" ], "issue": "Dinosaur Park CMN8801 identified as Kosmoceratops2014, rejected2016 as Chasmosaurus; possible overlap must remain flagged until occurrence-level adjudication, not mechanically excluded.", "source": { "title": "Campbell et al. (2016), A Re-Evaluation of the Chasmosaurine Ceratopsid Genus Chasmosaurus", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0145805", "doi": "10.1371/journal.pone.0145805", "access": "Full article reviewed" }, "reviewFile": "ceratopsid-overlaps.json" }, { "genera": [ "Pentaceratops", "Spiclypeus" ], "issue": "Alberta P.aquilonius material from Lethbridge Coal Zone reassessed as nomen dubium; paratype possibly Spiclypeus. This is disputed identification, not verified genus absence.", "source": { "title": "Mallon et al. (2016), Spiclypeus shipporum gen. et sp. nov.", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154218", "doi": "10.1371/journal.pone.0154218", "access": "Full article reviewed" }, "reviewFile": "ceratopsid-overlaps.json" }, { "genera": [ "Vagaceratops", "Chasmosaurus" ], "issue": "2019 analysis returns V.irvinensis to Chasmosaurus. Follow frozen PBDB genus policy until deliberate source update; do not double-count one specimen as two independent supporting occurrences.", "source": { "title": "Campbell et al. (2019), Temporal range extension and evolution of the chasmosaurine ceratopsid Vagaceratops irvinensis", "url": "https://journals.library.ualberta.ca/vamp/index.php/VAMP/article/view/29356", "doi": "10.18435/vamp29356", "access": "Original article PDF reviewed through preserved distantreader mirror" }, "reviewFile": "ceratopsid-overlaps.json" }, { "genera": [ "Chasmosaurus", "Cryptarcus" ], "issue": "2026 revision establishes Cryptarcus for C.russelli holotypeCMNFV8800 and referred material. Fresh primary evidence can expose stale occurrence assignments even in recent PBDB snapshot. Flag; do not silently rewrite roster.", "source": { "title": "Holmes et al. (2026), New information on the holotype of Chasmosaurus russelli necessitates the establishment of a new genus", "url": "https://doi.org/10.1139/cjes-2025-0031", "doi": "10.1139/cjes-2025-0031", "access": "Original article PDF reviewed through preserved dinosaurier-info mirror" }, "reviewFile": "ceratopsid-overlaps.json" }, { "genera": [ "Bravoceratops" ], "issue": "Fowler2020 questions diagnostic validity/reconstruction; roster inclusion follows PBDB but hidden-answer/locality approval still requires reviewed material.", "source": { "title": "Fowler and Freedman Fowler (2020), Transitional evolutionary forms in chasmosaurine ceratopsid dinosaurs", "url": "https://peerj.com/articles/9251/", "doi": "10.7717/peerj.9251", "access": "Publisher/PMC indexed full-text passages; publisher access blocked" }, "reviewFile": "ceratopsid-overlaps.json" }, { "genera": [ "Torosaurus", "Triceratops" ], "issue": "Competing ontogenetic synonymy hypotheses do not remove geographic overlap. Source policy determines names; fossil provenance remains shared.", "source": { "title": "McDonald et al. (2016), A New Specimen of Torosaurus latus from Hell Creek", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0151453", "doi": "10.1371/journal.pone.0151453", "access": "Full article reviewed" }, "reviewFile": "ceratopsid-overlaps.json" }, { "names": [ "Nemegt locality", "Nemegt Basin", "Nemegt Formation" ], "note": "Three different scopes. Locality contains exposures assigned to both Baruungoyot and Nemegt formations.", "source": { "title": "Kubo et al. (2023), A new alvarezsaurid dinosaur from the Upper Cretaceous Baruungoyot Formation of Mongolia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0293801", "doi": "10.1371/journal.pone.0293801", "access": "full primary text", "sections": "Introduction; Materials and methods; Type locality and horizon; Diagnosis" }, "reviewFile": "asian-sauropod.json" }, { "names": [ "Lower Shaximiao", "Upper Shaximiao", "Shaximiao" ], "note": "Review proposes lower/upper members of one formation, while other papers treat two formations. Retain subunit precision; broad Shaximiao claims overlap both rather than create equal strings.", "source": { "title": "Li et al. (2011), Dinosaur assemblages from the Middle Jurassic Shaximiao and Chuanjie formations", "url": "https://vjs.pgi.gov.pl/article/download/26567/18275/39914", "doi": null, "access": "full primary review PDF", "sections": "Introduction; Upper member assemblage; Table 1" }, "reviewFile": "asian-sauropod.json" }, { "names": [ "Nanxiong Group", "Nanxiong Formation", "Ganzhou", "Heyuan", "Dalangshan" ], "note": "Same broad regional red-bed vocabulary is used at differing stratigraphic ranks. Do not merge all southern Chinese basins or assign all heyuanines to Nanxiong on reputation.", "source": { "title": "Wang et al. (2016), Elongatoolithid eggs containing oviraptorid embryos from Southern China", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC4807547/", "doi": "10.1186/s12862-016-0633-0", "access": "indexed primary text", "sections": "Geological setting; taxonomic discussion" }, "reviewFile": "asian-sauropod.json" }, { "names": [ "Hekou Group", "Xiagou Formation", "Xinminpu Group" ], "note": "Gansu geography alone cannot merge these stratigraphic units.", "source": { "title": "Li et al. (2014), A New Titanosaurian Sauropod from the Hekou Group", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0085979", "doi": "10.1371/journal.pone.0085979", "access": "full primary text", "sections": "Introduction; Field methods" }, "reviewFile": "asian-sauropod.json" }, { "reason": "Full referred-specimen ranges and revised taxonomic assignments for all members, beyond positive overlaps above.", "reviewFile": "asian-sauropod.json" }, { "reason": "Heyuannia/Ingenia historical generic identities and species combinations before attaching multi-species geography.", "reviewFile": "asian-sauropod.json" }, { "reason": "Conchoraptor possible Nemegt records versus secure Barun Goyot records; original detailed provenance review not completed here.", "reviewFile": "asian-sauropod.json" }, { "reason": "Shixinggia, Heyuannia and Jiangxisaurus precise stratigraphic units and Nanxiong Group/Formation usage, rather than treating South China as one unit.", "reviewFile": "asian-sauropod.json" }, { "reason": "Oksoko inferred provenance must not supply a confident type-discovery quarry.", "reviewFile": "asian-sauropod.json" }, { "reason": "Qijianglong's reported Suining versus Upper Shaximiao provenance dispute.", "reviewFile": "asian-sauropod.json" }, { "reason": "Zigongosaurus/Mamenchisaurus scientific synonym issues before using a five-genus Shaximiao count as five independently guessable animals.", "reviewFile": "asian-sauropod.json" }, { "reason": "Direct PBDB parent pools are diagnostics, not necessarily the full descendant candidate universe used by gameplay.", "reviewFile": "asian-sauropod.json" }, { "genera": [ "Peloroplites" ], "reason": "2026 Table 1 reports CEUM 34580 from Ruby Ranch while the original PR-2 description gives Mussentuchit. Preserve both contexts; verify tooth/site association before claiming a unique genus-wide member range. Phylogenetic placements also vary; no tree change is approved by this locality pass.", "reviewFile": "nodosauridae.json", "source": { "title": "Cross et al. (2026), Reclassification of ankylosaurs with ambiguous taxonomy using tooth morphometrics", "url": "https://academic.oup.com/zoolinnean/article/206/4/zlag068/8661487", "doi": "10.1093/zoolinnean/zlag068", "access": "full primary article, Table 1: Peloroplites CEUM 34580, Ruby Ranch Member; does not establish an additional Yellow Cat occurrence" } }, { "genera": [ "Daxiatitan", "Yongjinglong" ], "reason": "Retain Hekou as a geological group; clear the misleading formation values Upper and 5 in the reviewed copies only. Bind the existing literature summary to the actual Gansu occurrence rows, without adding unknown-province duplicate fossils.", "evidence": "The original Yongjinglong description gives upper Hekou Group, near Zhongpu in Gansu. The numbered and directional labels do not name a formation. Quarries less than a kilometre apart are distinct sites.", "sources": [ { "title": "Li et al. 2014 · Yongjinglong", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0085979", "doi": "10.1371/journal.pone.0085979", "access": "full primary text", "sections": "Introduction; Holotype; Type locality and horizon" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Lingwulong" ], "reason": "Fill the missing reviewed formation with Yanan for the Lingwu Geopark occurrence; retain Ningxia geography and the broad published age interval.", "evidence": "The type and referred material are from the same Ciyaopu/Lingwu Geopark Yanan locality. LM V001a is the holotype; LGP V001b and other skeletons are separate specimens. The paper gives late Toarcian–Bajocian, not a single exact age.", "sources": [ { "title": "Xu et al. 2018 · Lingwulong", "url": "https://discovery.ucl.ac.uk/10053260/1/Xuetal2018(Lingwulong).pdf", "doi": "10.1038/s41467-018-05128-1", "access": "full author manuscript", "sections": "Results: systematic palaeontology, p.2" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Ganzhousaurus", "Jiangxisaurus", "Nankangia" ], "reason": "Fill formation-rank Nanxiong on the individually matched original-description rows, retaining their raw group fields. Bind broad group summaries to existing rows. Do not equate their proxy collection numbers with a shared quarry.", "evidence": "Nankangia GMNH F10003 is reported from Longling. Ganzhousaurus SDM 20090302 has only dealer-reported Nankang Basin provenance; its exact site is unknown. Jiangxisaurus's original abstract explicitly gives Nanxiong Formation in Ganzhou, Jiangxi.", "sources": [ { "title": "Lü et al. 2013 · Nankangia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0080557", "doi": "10.1371/journal.pone.0080557", "access": "full primary text", "sections": "Holotype; Type locality and horizon; Discussion" }, { "title": "Wang et al. 2013 · Ganzhousaurus", "url": "https://ivpp.cas.cn/sourcedb/zw/rck/yszj/202311/P020140313582989220492.pdf", "doi": "10.11646/zootaxa.3640.2.7", "access": "full original description", "sections": "Geological setting and systematics, p.243" }, { "title": "Wei et al. 2013 · Jiangxisaurus", "url": "https://onlinelibrary.wiley.com/doi/10.1111/1755-6724.12098", "doi": "10.1111/1755-6724.12098", "access": "original publisher abstract; full description not obtained", "sections": "Abstract" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Banji" ], "reason": "Retain possible Nanxiong provenance as uncertain evidence, not an exact quarry or a certain exclusive formation. Bind the existing broader summary to its Jiangxi source row.", "evidence": "The original abstract says the specimen was possibly collected from Nanxiong in Ganzhou. Later assemblage lists cannot restore missing first-hand provenance.", "sources": [ { "title": "Xu & Han 2010 · Banji", "url": "https://www.vertpala.ac.cn/CN/Y2010/V48/I1/11", "access": "original publisher abstract; original PDF links timed out", "sections": "Abstract" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Liubangosaurus", "Fusuisaurus" ], "reason": "Document Xinlong as the preferred formation name and Napai/Napan as older names for these Guangxi red beds. Retain both named sauropods at Liubang; a quarry clue must include both.", "evidence": "The review explicitly gives the nomenclatural relationship and describes both genera from the Liubang quarry. Existing source rows already use Xinlong, so no specimen transfer is needed.", "sources": [ { "title": "Mo et al. 2015 online / 2016 issue · Xinlong vertebrate review", "url": "https://www.researchgate.net/publication/279805233_Early_Cretaceous_vertebrates_from_the_Xinlong_Formation_of_Guangxi_southern_China_A_review", "doi": "10.1017/S0016756815000394", "access": "publisher full text displayed on ResearchGate", "sections": "Geological setting; Sauropoda, pp.144 and 150–151" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Jiangshanosaurus", "Dongyangosaurus" ], "reason": "Keep documented Jinhua/Zhejiang locality profiles and early Late Cretaceous interpretation; do not apply a global Fangyan-to-Jinhua alias or a convenient tree placement.", "evidence": "The 2019 specimen revision specifically revises Dongyangosaurus's original Fangyan assignment to Jinhua. Both genera's phylogenetic positions vary with analytical method.", "sources": [ { "title": "Mannion et al. 2019 · Zhejiang sauropod revision", "url": "https://discovery.ucl.ac.uk/10079194/1/Mannion_rsos.191057.pdf", "doi": "10.1098/rsos.191057", "access": "full author manuscript", "sections": "Introduction; Jiangshanosaurus systematics; Dongyangosaurus section" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Erketu" ], "reason": "Flag the Chinese row as an unconfirmed genus referral and retain it conservatively in comparisons. Do not erase China from its footprint or claim a verified Chinese Erketu discovery.", "evidence": "The cited Poropat paper describes PMU 24707 as resembling Erketu in an anatomical comparison, without an explicit formal genus referral. PBDB occurrence 1145521 cites that paper. Similarity alone does not settle the identification.", "sources": [ { "title": "Poropat 2013 · Carl Wiman's sauropods", "url": "https://www.researchgate.net/publication/257366962_Carl_Wiman's_sauropods_The_Uppsala_Museum_of_Evolution's_collection", "doi": "10.1080/11035897.2012.759268", "access": "author-uploaded full text", "sections": "Other Chinese material: cervical vertebra PMU 24707, pp.108–109" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Qingxiusaurus" ], "reason": "Use the published Guangxi/Nanning red-bed context without inventing a named formation from the Nalong Basin name.", "evidence": "The original abstract reports Upper Cretaceous red beds of Nanning, Guangxi. The basin name is not a supported formation-rank assignment.", "sources": [ { "title": "Mo et al. 2008 · Qingxiusaurus", "url": "https://www.vertpala.ac.cn/CN/abstract/abstract1312.shtml", "access": "original publisher abstract", "sections": "Abstract" } ], "reviewFile": "asian-metadata-complete-review.json" }, { "genera": [ "Xuanhuasaurus", "Damalasaurus", "Microdontosaurus", "Dachongosaurus", "Oshanosaurus", "Ponerosteus", "Hanssuesia", "Isanosaurus" ], "reason": "Retain PBDB guesses; hidden-answer readiness remains pending original identity, material, date or complete clue evidence as individually specified.", "reviewFile": "complete-locality-review.json" }, { "genera": [ "Abrosaurus", "Daanosaurus", "Omeisaurus", "Qijianglong", "Zigongosaurus" ], "reason": "Refine confirmed Lower/Upper occurrences; retain the Qijianglong conflict and genus-wide Omeisaurus range. Do not pretend five names establish five independent animals.", "uncertainties": [ "Qijianglong has contradictory 2025 literature and unpublished remapping.", "Zigongosaurus identity is disputed; no raw occurrence is present in the frozen catalogue. Its Upper Shaximiao assertion is a historical literature mapping.", "Do not force Shunosaurus or any broad genus into one member solely from a review’s assemblage label." ], "sources": [ { "title": "Li et al. 2011, Dinosaur assemblages from the Middle Jurassic Shaximiao Formation and Chuanjie Formation", "url": "https://vjs.pgi.gov.pl/article/download/26567/18275/39914", "access": "Full primary PDF read; Table 1 and assemblage discussion", "finding": "Lower and Upper Shaximiao have different assemblages. Omeisaurus has species in both. Daanosaurus is listed with the Upper assemblage. The review treats Zigongosaurus as Mamenchisaurus fuxiensis; that is not independently sufficient to change PBDB-based roster identity." }, { "title": "2025 Tongnanlong description", "doi": "10.1038/s41598-025-09796-0", "url": "https://www.nature.com/articles/s41598-025-09796-0", "access": "Full primary publisher text read", "finding": "Maintains Qijianglong in Suining and reports its locality below the Tongnanlong horizon. Its geological discussion recognizes disagreement about the age of Suining." }, { "title": "2025 Mamenchisaurus sanjiangensis description", "doi": "10.1038/s41598-025-29995-z", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC12686105/", "publisherUrl": "https://www.nature.com/articles/s41598-025-29995-z", "access": "Full primary text read", "finding": "Reports Qijianglong originally from Suining but reassigned by Zigong Museum geological surveys to Upper Shaximiao; expressly labels the survey information unpublished. Discusses Daanosaurus in Upper Shaximiao and its unresolved phylogenetic interpretation." } ], "reviewFile": "assemblages-complete-review.json" }, { "genera": [ "Abrosaurus", "Daanosaurus", "Dashanpusaurus", "Datousaurus", "Omeisaurus", "Protognathosaurus", "Qijianglong", "Shunosaurus", "Yuzhoulong", "Zigongosaurus" ], "reason": "Use honest member/site information where known; shared Lower Shaximiao quarries are genuine overlap and require free help if they remain an indistinguishable five-plus state.", "uncertainties": [ "Exact site absence is not established by a list of type localities.", "Dating and phylogenetic assignments require separate reviews; old assemblage labels do not settle every taxon’s age or branch." ], "sources": [ { "title": "Li et al. 2011, Dinosaur assemblages from the Middle Jurassic Shaximiao Formation and Chuanjie Formation", "url": "https://vjs.pgi.gov.pl/article/download/26567/18275/39914", "access": "Full primary PDF read; Table 1 and assemblage discussion", "finding": "Lower and Upper Shaximiao have different assemblages. Omeisaurus has species in both. Daanosaurus is listed with the Upper assemblage. The review treats Zigongosaurus as Mamenchisaurus fuxiensis; that is not independently sufficient to change PBDB-based roster identity." }, { "title": "2025 Tongnanlong description", "doi": "10.1038/s41598-025-09796-0", "url": "https://www.nature.com/articles/s41598-025-09796-0", "access": "Full primary publisher text read", "finding": "Maintains Qijianglong in Suining and reports its locality below the Tongnanlong horizon. Its geological discussion recognizes disagreement about the age of Suining." }, { "title": "2025 Mamenchisaurus sanjiangensis description", "doi": "10.1038/s41598-025-29995-z", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC12686105/", "publisherUrl": "https://www.nature.com/articles/s41598-025-29995-z", "access": "Full primary text read", "finding": "Reports Qijianglong originally from Suining but reassigned by Zigong Museum geological surveys to Upper Shaximiao; expressly labels the survey information unpublished. Discusses Daanosaurus in Upper Shaximiao and its unresolved phylogenetic interpretation." } ], "reviewFile": "assemblages-complete-review.json" }, { "genera": [ "Bisticeratops", "Navajoceratops", "Pentaceratops", "Terminocavus", "Titanoceratops", "Torosaurus" ], "reason": "Retain qualified Fruitland/Kirtland identities and Naashoibito’s alternative naming schemes; use member information without erasing unknown or referred material.", "uncertainties": [ "Titanoceratops type locality and genus interpretation remain uncertain.", "Torosaurus exact specimen identity behind proxy occurrence is not verified; no claim that the 2025 main paper confirms that row.", "Different formation schemes for Naashoibito are a legitimate stratigraphic convention difference." ], "sources": [ { "title": "Fowler and Freedman Fowler 2020, Navajoceratops and Terminocavus", "doi": "10.7717/peerj.9251", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC7278894/", "access": "Full primary text read", "finding": "Both new genera are from Hunter Wash. Distinguishes Fruitland Pentaceratops type material from several referred specimens and uses aff. Pentaceratops for material including OMNH 10165, named Titanoceratops by Longrich. These identifications do not establish exclusive genus-wide formation ranges." }, { "title": "Flynn et al. 2025, Late-surviving New Mexican dinosaurs illuminate high end-Cretaceous diversity and provinciality", "doi": "10.1126/science.adw3282", "url": "https://www.researchgate.net/publication/396844913_Late-surviving_New_Mexican_dinosaurs_illuminate_high_end-Cretaceous_diversity_and_provinciality", "repositoryUrl": "https://discovery.ucl.ac.uk/id/eprint/10216797/", "acceptedPdfUrl": "https://discovery.ucl.ac.uk/id/eprint/10216797/1/Flynn%2C%20Brusatte%2C%20Chiarenza%20et%20al%20-%20Naashoibito%20Dinosaurs%20-%20Science%20-%20Accepted.pdf", "access": "Full published primary main text read through author upload; UCL repository metadata read, PDF fetch timed out; supplement not verified", "finding": "Uses Naashoibito Member of Kirtland and explicitly identifies Naashoibito Member of Ojo Alamo as an alternative scheme. Places the dinosaur-bearing Naashoibito in the latest Maastrichtian, distinct from Campanian underlying members. Main text does not establish the specimen identity of PBDB Torosaurus occurrence 1606648." }, { "title": "Sullivan, Boere and Lucas 2005, Redescription of Torosaurus utahensis and revision of the genus", "doi": "10.1666/0022-3360(2005)079<0564:ROTCDT>2.0.CO;2", "url": "https://www.cambridge.org/core/journals/journal-of-paleontology/article/abs/redescription-of-the-ceratopsid-dinosaur-torosaurus-utahensis-gilmore-1946-and-a-revision-of-the-genus/AB9E06B6891763A0D748648854633694", "access": "Primary publisher abstract read; full specimen list not obtained", "finding": "Rejects older New Mexico Naashoibito Torosaurus referrals as Chasmosaurinae indeterminate. Without a specimen match, this cannot be transferred automatically to every later or proxy database occurrence." } ], "reviewFile": "assemblages-complete-review.json" }, { "genera": [ "Bonitasaura", "Inawentu", "Neuquensaurus", "Overosaurus", "Rinconsaurus", "Traukutitan", "Yeneen" ], "reason": "Keep the seven-genus formation overlap; use recorded locality positives carefully and free help for genuine residual overlap. Do not turn an area inventory into an exclusive occurrence whitelist.", "uncertainties": [ "Full Yeneen inventory not obtained; published indexed metadata and firsthand institutional author account distinguish this limitation.", "Cerro Overo–La Invernada contains unidentified titanosaurs; three currently named local genera does not prove all other genera absent.", "Neuquensaurus type/old strata correlations and its referred material need specimen-specific treatment, not a genus-wide deletion." ], "sources": [ { "title": "Filippi et al., Yeneen houssayi description, published 12 January 2026", "doi": "10.1080/08912963.2025.2584707", "url": "https://www.tandfonline.com/doi/abs/10.1080/08912963.2025.2584707", "access": "Publisher indexed abstract/metadata; full article blocked", "finding": "Establishes Yeneen from Cerro Overo–La Invernada, Bajo de la Carpa, Santonian; holotype MAU-Pv-LI-538. DOI year 2025 is not the publication date. Full specimen inventory was not independently read." }, { "title": "CONICET author interview on Yeneen, 13 January 2026", "url": "https://patagoniaconfluencia.conicet.gov.ar/cientificos-del-conicet-descubren-en-neuquen-a-yeneen-houssayi-una-nueva-especie-de-dinosaurio-sauropodo-que-vivio-hace-aproximadamente-83-millones-de-anos/", "access": "Full author-institution account read; firsthand author comments, not the formal taxonomic paper", "finding": "Describes an articulated holotype with six cervical and ten dorsal vertebrae, associated ribs, sacrum and first caudal; also a juvenile ilium. A nearby third partial skeleton belongs to a different titanosaur. Names Yeneen, Overosaurus and Inawentu as dinosaurs from the area; does not prove absence of all other genera." }, { "title": "Filippi et al. 2024, Sauropod diversity of Cerro Overo–La Invernada", "doi": "10.5710/PEAPA.24.02.2024.484", "url": "https://peapaleontologica.org.ar/index.php/peapa/article/view/484", "pdfUrl": "https://peapaleontologica.org.ar/index.php/peapa/article/view/484/824", "access": "Full primary landing page and abstract read; PDF viewer empty and download inaccessible", "finding": "Reports sauropod material other than Overosaurus and substantial diversity at Cerro Overo–La Invernada. Does not license assigning all unidentified local titanosaurs to Yeneen or Inawentu." } ], "reviewFile": "assemblages-complete-review.json" }, { "genera": [ "Pellegrinisaurus" ], "reason": "Treat Anacleto as the preferred published interpretation of the exact type quarry, while retaining a qualified Allen alternative and avoiding an exclusive formation clue.", "uncertainties": [ "A 2017 meeting abstract proposed return to Allen; Cerda 2021 rejected its unpublished status at that time.", "The later Anacleto assemblage paper still explicitly says exact position uncertain. No later specimen-specific formal Allen remapping was located in the bounded search." ], "sources": [ { "title": "Cerda et al. 2021, Osteology, paleohistology and phylogenetic relationships of Pellegrinisaurus powelli", "doi": "10.1016/j.cretres.2021.104957", "url": "https://www.sciencedirect.com/science/article/abs/pii/S0195667121002056", "fullTextUrl": "https://www.scribd.com/document/664953176/Cerda-et-al-2021", "access": "Full primary paper text read via document mirror; publisher full text blocked; sections 2.2, 3 and 8.3", "finding": "Maps holotype MPCA-Pv 1500 to Pala Mecánica quarry. Prefers Anacleto over original lower Allen because the 2017 proposal returning it to Allen had not been formally published. Rejects the separate MCS-Pv 53 caudal referral, assigning Titanosauria indeterminate." }, { "title": "Agnolin et al., New fossiliferous locality from the Anacleto Formation, Rev. MACN 26(2):217–259 (2024 volume)", "url": "https://www.researchgate.net/publication/390399397_New_fossiliferous_locality_from_the_Anacleto_Formation_Late_Cretaceous_Campanian_from_northern_Patagonia_with_the_description_of_a_new_titanosaur", "mirrorUrl": "https://es.scribd.com/document/843321266/Agnolin-et-al-RevMACN-26-2-217-259-2024", "access": "Full primary text read via author upload/document mirror; introduction checked", "finding": "Lists Pellegrinisaurus and Antarctosaurus as assigned to Anacleto but says their exact stratigraphic positions are uncertain, citing Cerda 2021. It does not publish a specimen-specific formal return of Pellegrinisaurus to Allen." } ], "reviewFile": "assemblages-complete-review.json" }, { "genera": [ "Avaceratops", "Centrosaurus", "Coronosaurus", "Monoclonius", "Spinops", "Wendiceratops" ], "reason": "Keep recent Avaceratops CMN 8804 referral, qualify lost-quarry Spinops alternatives, and use Wendiceratops lower Oldman type horizon positively without deleting historical or unknown comparative occurrences.", "uncertainties": [ "Avaceratops CMN 8804 is a genus-level referral, not confirmation of the type species.", "Spinops quarry provenance remains genuinely uncertain.", "Historical Monoclonius nomenclature and referrals are reviewed by a separate identity workstream; this review does not overrule PBDB inclusion." ], "sources": [ { "title": "Evans and Ryan 2015, Wendiceratops pinhornensis", "doi": "10.1371/journal.pone.0130007", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0130007", "access": "Full primary publisher text read", "finding": "Type bonebed in Pinhorn Grazing Reserve, south of Milk River, about 10 m above the Foremost contact in lower Oldman. Describes many bones from several individuals. Correlation with Kennedy Coulee Judith River does not make the two formation names synonyms." }, { "title": "Farke et al. 2011, Spinops sternbergorum", "doi": "10.4202/app.2010.0121", "url": "https://www.app.pan.pl/archive/published/app56/app20100121.pdf", "access": "Full primary PDF read", "finding": "Lost quarry near Steveville/Berry Creek cannot be relocated precisely. Palynology allows uppermost Oldman or Dinosaur Park; geographic evidence favors low Dinosaur Park. Both alternatives should remain qualified." }, { "title": "Loewen et al. 2024, Lokiceratops", "doi": "10.7717/peerj.17224", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC11193970/", "publisherUrl": "https://peerj.com/articles/17224/", "access": "Indexed primary main text and Table 3 read; full-page access blocked by challenge", "finding": "Table 3 records Avaceratops sp. CMN 8804 in Oldman, separately from Judith River type material and MOR 692. Reports differing Oldman horizons/ages for Wendiceratops and Coronosaurus. This supports preserving the Alberta genus referral rather than forcing a type-only Montana range." } ], "reviewFile": "assemblages-complete-review.json" }, { "genera": [ "Daliansaurus", "Jianianhualong", "Liaoningvenator", "Mei", "Sinovenator", "Sinusonasus" ], "reason": "Retain the real five-genus Lujiatun assemblage; separate Baicai Gou positively without assigning Jianianhualong to Lujiatun or promising member clues always solve the crowding.", "uncertainties": [ "Several fossils were commercially/farmer collected; locality certainty cannot be improved by inventing quarry precision.", "Do not transfer the older Jinzhousaurus age estimate to all Jianianhualong/Yixian specimens.", "Formation/member overlap is genuine; precise phylogenetic probes and verified diagnostic hints may still differentiate some states." ], "sources": [ { "title": "Xu et al. 2017, Jianianhualong and feather asymmetry", "doi": "10.1038/ncomms14972", "url": "https://www.nature.com/articles/ncomms14972", "access": "Full primary publisher text read", "finding": "Holotype DLXH 1218 is from Baicai Gou, Yixian County, western Liaoning, Yixian Formation. Original locality statement does not assign the specimen to Lujiatun or explicitly name Dakangpu." }, { "title": "Barrett et al. 2009, Cranial anatomy of Jinzhousaurus yangi", "url": "https://www.app.pan.pl/archive/published/app54/app54-035.pdf", "access": "Full primary PDF read; type-locality/horizon paragraph", "finding": "Jinzhousaurus type IVPP V12691 from Baicaigou/Toutai is in Dakangpu Member, equated with Dawangzhangzi Beds. Supports regional mapping of that locality, but not an independently checked bed for Jianianhualong." }, { "title": "Yang, Wu, Dieudonné and Godefroit 2020, A new basal ornithopod dinosaur from the Lower Cretaceous of China", "doi": "10.7717/peerj.9832", "url": "https://www.researchgate.net/publication/344700182_A_new_basal_ornithopod_dinosaur_from_the_Lower_Cretaceous_of_China", "publisherUrl": "https://peerj.com/articles/9832/", "repositoryPdfUrl": "https://biblio.naturalsciences.be/pdf/papers/2020/Yang%20et%20al.-%202020%20-%20Changmiania_reduced.pdf", "access": "Full primary text read through author/publisher upload; repository PDF fetch failed", "finding": "Introduction explicitly lists five Lujiatun troodontids: Sinovenator, Mei, Sinusonasus, Daliansaurus and Liaoningvenator. Their formation/member overlap is real, not a bookkeeping problem." } ], "reviewFile": "assemblages-complete-review.json" } ], "researchCoverage": [ { "file": "nodosauridae.json", "scope": { "poolGeneraReviewed": 25, "AmericasPool": 20, "EuropePool": 5, "parentRoster": 32, "otherParentGeneraNotIndividuallyReviewed": [ "Dongyangopelta", "Gargoyleosaurus", "Hoplosaurus", "Hylosaurus", "Nipponopelta", "Sauroplites", "Taohelong" ] }, "coverage": "Positive formation/locality checks for all 25 genera in the two crowded pools, with access depth recorded per source. This is not an exhaustive specimen/referral review, and does not scientifically establish absence from any other formation. No live answer eligibility is approved by this file." }, { "file": "ceratopsid-overlaps.json", "scope": "Bounded primary-source validation supplements all-parent PBDB collection screen; no exhaustive range or absence certification.", "coverage": { "chasmosaurinePoolSize": 16, "chasmosaurineMembersWithPositiveFormationAnchor": 16, "chasmosaurineCovered": [ "Agujaceratops", "Anchiceratops", "Arrhinoceratops", "Bisticeratops", "Bravoceratops", "Chasmosaurus", "Coahuilaceratops", "Judiceratops", "Kosmoceratops", "Navajoceratops", "Pentaceratops", "Sierraceratops", "Spiclypeus", "Terminocavus", "Utahceratops", "Vagaceratops" ], "otherReviewedContexts": [ "Centrosaurinae", "Centrosaurini", "Nasutoceratopsini", "Triceratopsini", "Lambeosaurinae", "Hell Creek tyrannosauroids" ], "notFullyReviewed": [ "Menefeeceratops original source", "Xenoceratops original source", "Crittendenceratops original source", "Remaining Lambeosaurinae Asian genus occurrences", "Tyrannosauroidea18 all-occurrence ranges" ] } }, { "file": "asian-sauropod.json", "scope": "Supplement to the all-parent PBDB collection screen. Positive locality overlaps were checked in selected primary descriptions/reviews for Hadrosauroidea, Mamenchisauridae, Euhelopodidae, Heyuanninae and Parvicursorinae. This is not a complete specimen-level literature review of every genus or an approval of daily-answer eligibility.", "coverage": null }, { "file": "complete-locality-review.json", "scope": "All 30 remaining v9 locality proposals and all 26 historical shared cases; bounded primary research, not exhaustive range certification.", "coverage": "Exact holds and source-row amendments, new positive profiles, retained conflicting stratigraphy and genuine crowded assemblages. Source access limits and pending hidden-answer eligibility are explicit." } ], "occurrenceReviews": [ { "id": "animantarx-carol-site-member", "genus": "Animantarx", "occurrenceId": "285084", "collectionId": "27067", "action": "correct", "expected": { "formation": "Cedar Mountain", "member": "Ruby Ranch" }, "fields": { "member": "Mussentuchit" }, "source": { "title": "Carpenter et al. (1999), Ankylosaurs of the Cedar Mountain Formation, Utah, and their stratigraphic distribution", "url": "https://www.researchgate.net/publication/314880704_Ankylosaurs_Dinosauria_Ornithischia_of_the_Cedar_Mountain_Formation_Utah_and_their_stratigraphic_distribution", "access": "full primary paper; Type Locality, p.244: Carol Site 42EM366V, Mussentuchit Member" }, "note": "The original description explicitly locates the holotype at Carol Site 42EM366V, Mussentuchit. The 2008 primary paper agrees. Correct this specific working row; preserve its raw PBDB value." }, { "id": "peloroplites-pr2-alternative-member", "genus": "Peloroplites", "occurrenceId": "534790", "collectionId": "55334", "action": "retain alternative", "expected": { "formation": "Cedar Mountain", "member": "Ruby Ranch" }, "fields": { "member": "Mussentuchit" }, "source": { "title": "Carpenter et al. (2008), Ankylosaurs from the Price River Quarries, Cedar Mountain Formation, east-central Utah", "url": "https://www.tandfonline.com/doi/abs/10.1671/0272-4634-28.4.1089", "doi": "10.1671/0272-4634-28.4.1089", "access": "full primary paper, Introduction and Type Locality and Stratum read" }, "note": "The original description explicitly locates PR-2 at the base of Mussentuchit and explains the older Ruby Ranch label. Retain the source Ruby Ranch label too: Cross et al. 2026 Table 1 still places Peloroplites tooth CEUM 34580 in Ruby Ranch, so the genus-wide horizon is not treated as settled.", "additionalSources": [ { "title": "Cross et al. (2026), Reclassification of ankylosaurs with ambiguous taxonomy using tooth morphometrics", "url": "https://academic.oup.com/zoolinnean/article/206/4/zlag068/8661487", "doi": "10.1093/zoolinnean/zlag068", "access": "full primary article, Table 1: Peloroplites CEUM 34580, Ruby Ranch Member; does not establish an additional Yellow Cat occurrence" } ] }, { "id": "gastonia-lorrie-alternative-member", "genus": "Gastonia", "occurrenceId": "1193450", "collectionId": "154238", "action": "retain alternative", "expected": { "formation": "Cedar Mountain", "member": "Poison Strip Sandstone" }, "fields": { "member": "Ruby Ranch" }, "source": { "title": "Kinneer, Carpenter & Shaw (2016), Redescription of Gastonia burgei and description of a new species", "url": "https://doi.org/10.1127/njgpa/2016/0605", "doi": "10.1127/njgpa/2016/0605", "access": "author-uploaded full paper, introduction, locality descriptions and discussion read", "authorCopy": "https://www.researchgate.net/publication/308878540_Redescription_of_Gastonia_burgei_Dinosauria_Ankylosauria_Polacanthidae_and_description_of_a_new_species" }, "note": "The 2016 description places Lorrie’s Site in lower Ruby Ranch and reports an alternative Poison Strip assignment. Preserve both supported alternatives; neither controls the independently documented Yellow Cat anchor." }, { "id": "complete-829375", "genus": "Daxiatitan", "occurrenceId": "829375", "collectionId": "91464", "action": "correct", "expected": { "formation": "Upper" }, "fields": { "formation": "" }, "source": { "title": "Li et al. 2014 · Yongjinglong", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0085979", "doi": "10.1371/journal.pone.0085979", "access": "full primary text", "sections": "Introduction; Holotype; Type locality and horizon" }, "note": "Upper is a directional horizon label, not a named formation. Hekou remains at group rank." }, { "id": "complete-1587594", "genus": "Yongjinglong", "occurrenceId": "1587594", "collectionId": "155994", "action": "correct", "expected": { "formation": "5" }, "fields": { "formation": "" }, "source": { "title": "Li et al. 2014 · Yongjinglong", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0085979", "doi": "10.1371/journal.pone.0085979", "access": "full primary text", "sections": "Introduction; Holotype; Type locality and horizon" }, "note": "5 is a horizon label, not a named formation. Hekou remains at group rank." }, { "id": "complete-1412529", "genus": "Lingwulong", "occurrenceId": "1412529", "collectionId": "195171", "action": "correct", "expected": { "formation": "" }, "fields": { "formation": "Yanan" }, "source": { "title": "Xu et al. 2018 · Lingwulong", "url": "https://discovery.ucl.ac.uk/10053260/1/Xuetal2018(Lingwulong).pdf", "doi": "10.1038/s41467-018-05128-1", "access": "full author manuscript", "sections": "Results: systematic palaeontology, p.2" }, "note": "Original type-locality statement identifies the Yanan Formation at Lingwu Geopark." }, { "id": "complete-1126121", "genus": "Ganzhousaurus", "occurrenceId": "1126121", "collectionId": "97945", "action": "correct", "expected": { "formation": "" }, "fields": { "formation": "Nanxiong" }, "source": { "title": "Wang et al. 2013 · Ganzhousaurus", "url": "https://ivpp.cas.cn/sourcedb/zw/rck/yszj/202311/P020140313582989220492.pdf", "doi": "10.11646/zootaxa.3640.2.7", "access": "full original description", "sections": "Geological setting and systematics, p.243" }, "note": "Formation rank from the matched description; retain raw group field. Collection IDs do not establish a shared quarry." }, { "id": "complete-1163955", "genus": "Jiangxisaurus", "occurrenceId": "1163955", "collectionId": "147070", "action": "correct", "expected": { "formation": "" }, "fields": { "formation": "Nanxiong" }, "source": { "title": "Wei et al. 2013 · Jiangxisaurus", "url": "https://onlinelibrary.wiley.com/doi/10.1111/1755-6724.12098", "doi": "10.1111/1755-6724.12098", "access": "original publisher abstract; full description not obtained", "sections": "Abstract" }, "note": "Formation rank from the matched description; retain raw group field. Collection IDs do not establish a shared quarry." }, { "id": "complete-1183820", "genus": "Nankangia", "occurrenceId": "1183820", "collectionId": "147070", "action": "correct", "expected": { "formation": "" }, "fields": { "formation": "Nanxiong" }, "source": { "title": "Lü et al. 2013 · Nankangia", "url": "https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0080557", "doi": "10.1371/journal.pone.0080557", "access": "full primary text", "sections": "Holotype; Type locality and horizon; Discussion" }, "note": "Formation rank from the matched description; retain raw group field. Collection IDs do not establish a shared quarry." }, { "id": "complete-pellegrinisaurus-anacleto", "genus": "Pellegrinisaurus", "occurrenceId": "508143", "collectionId": "32339", "action": "retain alternative", "expected": { "formation": "Allen", "member": "Lower", "geological_group": "Malargüe", "qualified": false }, "fields": { "formation": "Anacleto", "member": "", "geological_group": "", "qualified": true }, "source": { "title": "Cerda et al. 2021, Osteology, paleohistology and phylogenetic relationships of Pellegrinisaurus powelli", "doi": "10.1016/j.cretres.2021.104957", "url": "https://www.sciencedirect.com/science/article/abs/pii/S0195667121002056", "fullTextUrl": "https://www.scribd.com/document/664953176/Cerda-et-al-2021", "access": "Full primary paper text read via document mirror; publisher full text blocked; sections 2.2, 3 and 8.3", "finding": "Maps holotype MPCA-Pv 1500 to Pala Mecánica quarry. Prefers Anacleto over original lower Allen because the 2017 proposal returning it to Allen had not been formally published. Rejects the separate MCS-Pv 53 caudal referral, assigning Titanosauria indeterminate." }, "note": "Preferred published type-quarry interpretation, still qualified. Keep Allen alternative. Do not carry Allen member/group names into Anacleto.", "additionalSources": [ { "title": "Agnolin et al., New fossiliferous locality from the Anacleto Formation, Rev. MACN 26(2):217–259 (2024 volume)", "url": "https://www.researchgate.net/publication/390399397_New_fossiliferous_locality_from_the_Anacleto_Formation_Late_Cretaceous_Campanian_from_northern_Patagonia_with_the_description_of_a_new_titanosaur", "mirrorUrl": "https://es.scribd.com/document/843321266/Agnolin-et-al-RevMACN-26-2-217-259-2024", "access": "Full primary text read via author upload/document mirror; introduction checked", "finding": "Lists Pellegrinisaurus and Antarctosaurus as assigned to Anacleto but says their exact stratigraphic positions are uncertain, citing Cerda 2021. It does not publish a specimen-specific formal return of Pellegrinisaurus to Allen." } ] } ] }