Ceratopsidae

Publication(s)

La base comprend 372 publication(s).

Source: The Paleobiology Database

• ↑¹ A. Tapia. 1919. Una mandibula de Dinosaurioa procedente de Patagonia [A dinosaur mandible from Patagonia]. Physis, Revista de la Sociedad Argentina de Ciencias Naturales 4:369-370
• ↑¹ T. Rich and P. Vickers-Rich. 2003. Protoceratopsian? ulnae from Australia. Records of the Queen Victoria Museum Launceston 113:1-12
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38} R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 (https://doi.org/10.5962/bhl.title.5716)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14} P. J. Currie and D. A. Russell. 2005. The geographic and stratigraphic distribution of articulated and associated dinosaur remains. Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed. Indiana University Press, Bloomington
• ↑^{1 2} J. Danis. 1986. Quarries of Dinosaur Provincial Park. In B. G. Naylor (ed.), Field Trip Guidebook to Dinosaur Provincial Park, 2 June 1986. Dinosaur Systematics Symposium, Tyrrell Museum of Palaeontology, Drumheller, Alberta
• ↑^{1 2} S. J. Godfrey and R. Holmes. 1995. Cranial morphology and systematics of Chasmosaurus (Dinosauria: Ceratopsidae) from the Upper Cretaceous of western Canada. Journal of Vertebrate Paleontology 15(4):726-742 (https://doi.org/10.1080/02724634.1995.10011258)
• ↑^{1 2 3} L. M. Lambe. 1902. New genera and species from the Belly River Series (mid-Cretaceous). Geological Survey of Canada Contributions to Canadian Palaeontology 3(2):25-81
• ↑¹ C. M. Sternberg. 1938. Monoclonius from southeastern Alberta compared with Centrosaurus. Journal of Paleontology 12(3):284-286
• ↑^{1 2} M. J. Ryan and A. P. Russell. 2001. Dinosaurs of Alberta (exclusive of Aves). Mesozoic Vertebrate Life
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21} D. B. Brinkman, M. J. Ryan, and D. A. Eberth. 1998. The paleogeographic and stratigraphic distribution of ceratopsids (Ornithischia) in the Upper Judith River Group of western Canada. Palaios 13:160-169 (https://doi.org/10.2307/3515487)
• ↑^{1 2} M. Getty, D. A. Eberth, and D. B. Brinkman, D. Tanke, M. Ryan, M. Vickaryous. 1997. Taphonomy of two Centrosaurus bonebeds in the Dinosaur Park Formation, Alberta, Canada. Journal of Vertebrate Paleontology 17(3, suppl.):48A
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15} D. A. Eberth and M. A. Getty. 2005. Ceratopsian bonebeds: occurrence, origins, and significance. Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed. Indiana University Press, Bloomington
• ↑^{1 2 3} P. J. Currie. 2005. History of research. Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed. Indiana University Press, Bloomington
• ↑¹ P. Dodson. 1971. Sedimentology and taphonomy of the Oldman Formation (Campanian), Dinosaur Provincial Park, Alberta (Canada). Palaeogeography, Palaeoclimatology, Palaeoecology 10:21-74 (https://doi.org/10.1016/0031-0182(71)90044-7)
• ↑^{1 2} C. M. Sternberg. 1940. Ceratopsidae from Alberta. Journal of Paleontology 14(5):468-480
• ↑^{1 2} L. M. Lambe. 1914. Report of the vertebrate palaeontologist. Summary Report of the Geologcal Survey Department of Mines for the Calendar Year 1913 1359:293-299 (https://doi.org/10.4095/312410)
• ↑^{1 2 3} P. J. Currie. 1980. Mesozoic vertebrate life in Alberta and British Columbia. Mesozoic Vertebrate Life 1:27-40
• ↑^{1 2 3 4 5} M. J. Ryan, R. Holmes, and A. P. Russell. 2007. A revision of the late Campanian centrosaurine ceratopsid genus Styracosaurus from the Western Interior of North America. Journal of Vertebrate Paleontology 27(4):944-962 (https://doi.org/10.1671/0272-4634(2007)27[944:arotlc]2.0.co;2)
• ↑¹ B. Brown. 1914. A complete skull of Monoclonius, from the Belly River Cretaceous of Alberta. Bulletin of the American Museum of Natural History 33(34):549-558
• ↑¹ L. M. Lambe. 1905. On the squamoso-parietal crest of the horned dinosaurs Centrosaurus apertus and Monoclonius canadensis from the Cretaceous of Alberta. Proceedings and Transactions of the Royal Society of Canada, series 2 10(4):1-9
• ↑^{1 2 3 4 5 6 7 8 9 10} D. A. Eberth and D. B. Brinkman. 1997. Paleoecology of an estuarine, incised-valley fill in the Dinosaur Park Formation (Judith River Group, Upper Cretaceous) of southern Alberta, Canada. Palaios 12:43-58 (https://doi.org/10.2307/3515293)
• ↑¹ D. A. Eberth and D. C. Evans. 2011. International Hadrosaur Symposium Post-Symposium Field Trip, September 24, 2011. Geology and Palaeontology of Dinosaur Provincial Park, Alberta. Royal Tyrrell Museum Special Publication (https://doi.org/10.5771/9783845229478-296)
• ↑¹ J. M. Wood, R.G. Thomas, and J. Visser. 1988. Fluvial processes and vertebrate taphonomy: the Upper Cretaceous Judith River Formation, south-central Dinosaur Provincial Park, Alberta, Canada. Palaeogeography, Palaeoclimatology, Palaeoecology 66:127-143 (https://doi.org/10.1016/0031-0182(88)90085-5)
• ↑¹ D. A. Russell. 1969. A new specimen of Stenonychosaurus from the Oldman Formation (Cretaceous) of Alberta. Canadian Journal of Earth Sciences 6:595-612 (https://doi.org/10.1139/e69-059)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15} D. B. Brinkman. 1990. Paleontology of the Judith River Formation (Campanian) of Dinosaur National Park, Alberta, Canada: evidence from vertebrate microfossil locality. Palaeogeography, Palaeoclimatology, Palaeoecology 78:37-54
• ↑¹ S. Maganuco. 2004. New dinosaur bones from the Dinosaur Provincial Park (Alberta, Canada) expedition of 1922. Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 145(1):69-77
• ↑¹ N. R. Beavan and A. P. Russell. 1999. An elasmobranch assemblage from the terrestrial-marine transitional Lethbridge Coal Zone (Dinosaur Park Formation: Upper Campanian), Alberta, Canada. Journal of Paleontology 73(3):494-503 (https://doi.org/10.1017/s0022336000028006)
• ↑¹ P. J. Currie and D. A. Russell. 1982. A giant pterosaur (Reptilia: Archosauria) from the Judith River (Oldman) Formation of Alberta. Canadian Journal of Earth Sciences 19:894-897 (https://doi.org/10.1139/e82-074)
• ↑¹ A. K. Behrensmeyer. 1994.
• ↑¹ T. Konishi. 2015. Redescription of UALVP 40, an unusual specimen of Chasmosaurus Lambe, 1914 (Ceratopsidae: Chasmosaurinae) bearing long postorbital horns, and its implications for ontogeny and alpha taxonomy of the genus. Canadian Journal of Earth Sciences 52(8):608-619 (https://doi.org/10.1139/cjes-2014-0167)
• ↑^{1 2 3} J. A. Campbell, M. J. Ryan, and R. B. Holmes, C. J. Schröder-Adams. 2016. A re-evaluation of the chasmosaurine ceratopsid genus Chasmosaurus (Dinosauria: Ornithischia) from the Upper Cretaceous (Campanian) Dinosaur Park Formation of western Canada. PLoS ONE 11(1):e0145805:1-39 (https://doi.org/10.1371/journal.pone.0145805)
• ↑^{1 2} N. R. Longrich. 2010. Mojoceratops perifania, a new chasmosaurine ceratopsid from the late Campanian of western Canada. Journal of Paleontology 84(4):681-694 (https://doi.org/10.1666/09-114.1)
• ↑¹ S. C. R. Maidment and P. M. Barrett. 2011. A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs. Zootaxa 2963:1-17 (https://doi.org/10.11646/zootaxa.2963.1.1)
• ↑¹ R. B. Holmes and M. J. Ryan. 2013. The postcranial skeleton of Styracosaurus albertensis. Kirtlandia 58:5-37
• ↑¹ B. Brown and E. M. Schlaikjer. 1937. The skeleton of Styracosaurus with the description of a new species. American Museum Novitates 955:1-12
• ↑^{1 2} B. Brown. 1917. A complete skeleton of the horned dinosaur Monoclonius, and description of a second skeleton showing skin impressions. Bulletin of the American Museum of Natural History 37(10):281-306
• ↑¹ L. M. Lambe. 1913. A new genus and species of Ceratopsia from the Belly River Formation of Alberta. The Ottawa Naturalist 27(9):109-116
• ↑^{1 2} M. J. Ryan, D. C. Evans, and P. J. Currie, C. M. Brown, D. Brinkman. 2012. New leptoceratopsids from the Upper Cretaceous of Alberta, Canada. Cretaceous Research 35(1):69-80 (https://doi.org/10.1016/j.cretres.2011.11.018)
• ↑^{1 2} N. R. Longrich. 2014. The horned dinosaurs Pentaceratops and Kosmoceratops from the upper Campanian of Alberta and implications for dinosaur biogeography. Cretaceous Research 51:292-308 (https://doi.org/10.1016/j.cretres.2014.06.011)
• ↑^{1 2} M. J. Ryan, D. C. Evans, and P. J. Currie, M. A. Lowman. 2014. A new chasmosaurine from northern Laramidia expands fill disparity in ceratopsid dinosaurs. Naturwissenchaften 101:505-512 (https://doi.org/10.1007/s00114-014-1183-1)
• ↑^{1 2 3} R. B. Holmes, C. A. Forster, and M. J. Ryan, K. M. Shepherd. 2001. A new species of Chasmosaurus (Dinosauria: Ceratopsia) from the Dinosaur Park Formation of southern Alberta. Canadian Journal of Earth Sciences 38:1423-1438 (https://doi.org/10.1139/e01-036)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19} J. Peng, A. P. Russell, and D. B. Brinkman. 2001. Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide. Provincial Museum of Alberta, Natural History Occasional Paper 25:1-54 (https://doi.org/10.5962/bhl.title.115853)
• ↑¹ T. M. Cullen, F. Fanti, and C. Capobianco, M. J. Ryan, D. C. Evans. 2016. A vertebrate microsite from a marine-terrestrial transition in the Foremost Formation (Campanian) of Alberta, Canada, and the use of faunal assemblage data as a paleoenvironmental indicator. Palaeogeography, Palaeoclimatology, Palaeoecology 444:101-114 (https://doi.org/10.1016/j.palaeo.2015.12.015)
• ↑¹ M. J. Ryan, D. C. Evans, and K. M. Shepherd. 2012. A new ceratopsid from the Foremost Formation (middle Campanian) of Alberta. Canadian Journal of Earth Sciences 49:1251-1262 (https://doi.org/10.1139/e2012-056)
• ↑^{1 2} B. Brown. 1914. Anchiceratops, a new genus of horned dinosaurs from the Edmonton Cretaceous of Alberta. With discussion of the origin of the ceratopsian crest and the brain casts of Anchiceratops and Trachodon. Bulletin of the American Museum of Natural History 33(33):539-548
• ↑¹ C. M. Sternberg. 1929. A new species of horned dinosaur from the Upper Cretaceous of Alberta. National Museum of Canada Bulletin 54:34-37 (https://doi.org/10.4095/306010)
• ↑^{1 2} P. J. Currie and E. B. Koppelhus. 2014. Implications of finding a ceratopsian horncore in the Danek bonebed. Canadian Journal of Earth Sciences 51:1034-1038 (https://doi.org/10.1139/cjes-2014-0065)
• ↑¹ D. H. Tanke. 1984. Dinosaurs of the Devon area with reference to a large hadrosaur femur. Fossils Quarterly 3(2):19-30
• ↑¹ W. A. Parks. 1925. Arrhinoceratops brachyops, a new genus and species of Ceratopsia from the Edmonton Formation of Alberta. University of Toronto Studies, Geology Series 19:1-15
• ↑^{1 2} D. C. Evans, D. A. Eberth, and M. J. Ryan. 2015. Hadrosaurid (Edmontosaurus) bonebeds from the Horseshoe Canyon Formation (Horsethief Member) at Drumheller, Alberta, Canada: geology, preliminary taphonomy, and significance. Canadian Journal of Earth Sciences 52:642-654 (https://doi.org/10.1139/cjes-2014-0184)
• ↑^{1 2 3} S. A. Whitebone, G. F. Funston, and P. J. Currie. 2023. An unusual microsite from the Upper Cretaceous Horseshoe Canyon Formation of Alberta, Canada. Journal of Vertebrate Paleontology 43(5):e2316668 (https://doi.org/10.1080/02724634.2024.2316668)
• ↑^{1 2 3} D. W. Larson, D. B. Brinkman, and P. R. Bell. 2010. Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences 47:1159-1181 (https://doi.org/10.1139/E10-005)
• ↑¹ X.-C. Wu, D. B. Brinkman, and D. A. Ebert, D. R. Braman. 2007. A new ceratopsid dinosaur (Ornithischia) from the uppermost Horseshoe Canyon Formation (upper Maastrichtian), Alberta, Canada. Canadian Journal of Earth Sciences 44:1243-1265 (https://doi.org/10.1139/E07-011)
• ↑^{1 2 3 4 5} P. J. Currie, W. Langston, and D. H. Tanke. 2008. A new species of Pachyrhinosaurus (Dinosauria, Ceratopsidae) from the Upper Cretaceous of Alberta, Canada. in A New Horned Dinosaur from an Upper Cretaceous Bone Bed in Alberta
• ↑¹ W. Langston. 1968. A further note on Pachyrinosaurus (Reptilia: Ceratopsia). Journal of Paleontology 42(5):1303-1304
• ↑¹ L. S. Russell. 1935. Fauna of the upper Milk River Beds, southern Alberta. Transactions of the Royal Society of Canada, series 3 4(29):115-128
• ↑^{1 2} M. J. Ryan. 2007. A new basal centrosaurine ceratopsid from the Oldman Formation, southeastern Alberta. Journal of Paleontology 81(2):376-396 (https://doi.org/10.1666/0022-3360(2007)81[376:anbccf]2.0.co;2)
• ↑^{1 2} M. A. Loewen and J. J. W. Sertich. 2023. Campanian centrosaurid ceratopsian diversity and regional endemism in southern Laramidia. 14th Symposium on Mesozoic Terrestrial Ecosystems and Biota. The Anatomical Record 306 (S1)
• ↑^{1 2} K. Chiba, M. J. Ryan, and D. R. Braman, D. A. Eberth, E. E. Scott, C. M. Brown, Y. Kobayashi, D. C. Evans. 2015. Taphonomy of a monodominant Centrosaurus apertus (Dinosauria: Ceratopsia) bonebed from the upper Oldman Formation of southeastern Alberta. Palaios 30:655-667 (https://doi.org/10.2110/palo.2014.084)
• ↑¹ B. Brown. 1933. A new longhorned Belly River ceratopsian. American Museum Novitates 669:1-3
• ↑^{1 2} M. J. Ryan and A. P. Russell. 2005. A new centrosaurine ceratopsid from the Oldman Formation of Alberta and its implications for centrosaurine taxonomy and systematics. Canadian Journal of Earth Sciences 42:1369-1387 (https://doi.org/10.1139/e05-029)
• ↑¹ B. Brown. 1914. Cretaceous Eocene correlation in New Mexico, Wyoming, Montana, Alberta. Bulletin of the Geological Society of America 25:355-380 (https://doi.org/10.1130/gsab-25-355)
• ↑¹ L. S. Russell. 1966. Dinosaur hunting in western Canada. Royal Ontario Museum, Life Sciences Contribution 70:1-37 (https://doi.org/10.5962/bhl.title.52089)
• ↑¹ T. Miyashita, P. J. Currie, and B. J. Chinnery-Allgeier. 2010. First basal neoceratopsian from the Oldman Formation (Belly River Group), southern Alberta. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ A. A. Farke, M. J. Ryan, and P. M. Barrett, D. H. Tanke, D. R. Braman, M. A. Loewen, M. R. Graham. 2011. A new centrosaurine from the Late Cretaceous of Alberta, Canada, and the evolution of parietal ornamentation in horned dinosaurs. Acta Palaeontologica Polonica 56(4):691-702 (https://doi.org/10.4202/app.2010.0121)
• ↑¹ D. C. Evans and M. J. Ryan. 2015. Cranial anatomy of Wendiceratops pinhornensis gen. et sp. nov., a centrosaurine ceratopsid (Dinosauria: Ornithischia) from the Oldman Formation (Campanian), Alberta, Canada, and the evolution of ceratopsid nasal ornamentation. PLoS ONE 10(7):e0130007 (https://doi.org/10.1371/journal.pone.0130007)
• ↑^{1 2} D. C. Evans, P. M. Barrett, and K. L. Seymour. 2012. Revised identification of a reported Iguanodon-grade ornithopod tooth from the Scollard Formation, Alberta, Canada. Cretaceous Research 33(1):11-14 (https://doi.org/10.1016/j.cretres.2011.07.002)
• ↑¹ L. S. Russell. 1987. Biostratigraphy and paleontology of the Scollard Formation, Late Cretaceous and Paleocene of Alberta. Royal Ontario Museum Life Sciences Contribution 147:1-23 (https://doi.org/10.5962/bhl.title.52245)
• ↑¹ B. Brown. 1914. Leptoceratops, a new genus of Ceratopsia from the Edmonton Cretaceous of Alberta. Bulletin of the American Museum of Natural History 33(36):567-580
• ↑^{1 2} J. C. Mallon, R. B. Holmes, and E. L. Bamforth, D. Schumann. 2022. The record of Torosaurus (Ornithischia: Ceratopsidae) in Canada and its taxonomic implications. Zoological Journal of the Linnean Society 195(1):157-171 (https://doi.org/10.1093/zoolinnean/zlab120)
• ↑¹ C. M. Sternberg. 1949. The Edmonton fauna and description of a new Triceratops from the Upper Edmonton Member: phylogeny of the Ceratopsidae. National Museum of Canada Bulletin 113:33-46 (https://doi.org/10.4095/105056)
• ↑¹ D. R. Braman and D. A. Eberth. 1987. Paleontology and geology of the Edmonton Group (Late Cretaceous to Palaeocene), Red Deer River Valley, Alberta, Canada. Fourth Symposium on Mesozoic Terrestrial Ecosystems, Field Trip B" (August 14, 1987). Occasional Paper of the Tyrrell Museum of Palaeontology 28:1-27
• ↑^{1 2 3} W. Langston. 1975. The ceratopsian dinosaurs and associated lower vertebrates from the St. Mary River Formation (Maestrichtian) at Scabby Butte, southern Alberta. Canadian Journal of Earth Sciences 12:1576-1608 (https://doi.org/10.1139/e75-142)
• ↑^{1 2} C. M. Sternberg. 1950. Pachyrhinosaurus canadensis, representing a new family of the Ceratopsia, from southern Alberta. National Museum of Canada Bulletin 118:109-120 (https://doi.org/10.4095/105057)
• ↑¹ C. M. Brown and D. M. Henderson. 2015. A new horned dinosaur reveals convergent evolution in cranial ornamentation in Ceratopsidae. Current Biology 25:1641-1648 (https://doi.org/10.1016/j.cub.2015.04.041)
• ↑^{1 2} D. H. Tanke. 2004. Mosquitoes and mud: the 2003 Royal Tyrrell Museum of Palaeontology expedition to the Grande Prairie region (northwestern Alberta, Canada). Alberta Palaeontological Society Bulletin 19(2):3-31
• ↑¹ F. Fanti, P. J. Currie, and S. Graber, K. Ormay, B. Hunt,. 2007. Exploration and discovery in northwest Alberta’s Peace Country. Alberta Palaeontological Society Bulletin 22(3):15-18
• ↑¹ E. B. Koppelhus. 2008. Palynology of the Wapiti Formation in the northwestern part of Alberta with special emphasis on a new Pachyrhinosaur bonebed. International Dinosaur Symposium in Fukui 2008: Recent Progress of the Study on Asian Dinosaurs and Paleoenvironments. Fukui Prefectural Dinosaur Museum, Fukui
• ↑¹ P. J. Makovicky. 2010. A redescription of the Montanoceratops cerorhynchus holotype with a review of referred material. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ M. M. Gilbert, E. L. Bamforth, and L. A. Buatois, R. W. Renaut. 2018. Paleoecology and sedimentology of a vertebrate microfossil assemblage from the easternmost Dinosaur Park Formation (Late Cretaceous, Upper Campanian,) Saskatchewan, Canada: reconstructing diversity in a coastal ecosystem. Palaeogeography, Palaeoclimatology, Palaeoecology 495:227-244 (https://doi.org/10.1016/j.palaeo.2018.01.016)
• ↑¹ P. A. Johnston. 1980. First record of Mesosoic mammals from Saskatchewan. Canadian Journal of Earth Sciences 17:512-519 (https://doi.org/10.1139/e80-047)
• ↑¹ R. C. Fox. 1989. The Wounded Knee local fauna and mammalian evolution near the Cretaceous-Tertiary boundary, Saskatchewan, Canada. Palaeontographica Abteilung A 208(1-3):11-59
• ↑^{1 2} C. M. Sternberg. 1924. Report on a collection of vertebrates from Wood Mountain, southern Saskatchewan, collected by C. M. Sternberg, 1921. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):27-28
• ↑¹ T. T. Tokaryk and P. C. James. 1989. Cimoiopteryx sp. (Aves, Charadriiformes) from the Frenchman Formation (Maastrichtian), Saskatchewan. Canadian Journal of Earth Sciences 26:2729-2730 (https://doi.org/10.1139/e89-233)
• ↑^{1 2} J. E. Storer. 1993. Additions to the mammalian paleofauna of Saskatchewan. Modern Geology 18(4):475-487
• ↑^{1 2} T. T. Tokaryk and H. N. Bryant. 2004. The fauna from the Tyrannosaurus rex excavation, Frenchman Formation (Late Maastrichtian), Saskatchewan. Summary of Investigations 2004, Volume 1. Saskatchewan Geological Survey, Saskatchewan Industry Resources, Miscellaneous Report 2004-4 1:1-12
• ↑¹ D. B. Brinkman, C. Libke, and R. C. McKellar, S. Gasilov, C. M. Somers. 2023. A new pan-kinosternid, Leiochelys tokaryki, gen. et sp. nov., from the late Maastrichtian Frenchman formation, Saskatchewan Canada. The Anatomical Record 306(6):1481-1500 (https://doi.org/10.1002/ar.24952)
• ↑^{1 2 3 4 5} M. J. Roloson. 2022. Evolutionary Tempo and Mode of Triceratops from the Uppermost Maastrichtian Frenchman Formation of Southern Saskatchewan (https://doi.org/10.1007/s10914-022-09626-4)
• ↑^{1 2} T. T. Tokaryk. 1986. Ceratopsian dinosaurs from the Frenchman Formation (Upper Cretaceous) of Saskatchewan. Canadian Field-Naturalist 100(2):192-196 (https://doi.org/10.5962/p.355590)
• ↑^{1 2} B. Bohlin. 1953. VI. Vertebrate Palaeontology 6. Fossil reptiles from Mongolia and Kansu. Reports from the Scientific Expedition to the North-western Provinces of China under Leadership of Dr. Sven Hedin. The Sino-Swedish Expedition Publication 37:1-113
• ↑¹ H.-L. You, K. Tanoue, and P. Dodson. 2010. A new species of Archaeoceratops (Dinosauria: Neoceratopsia) from the Early Cretaceous of the Mazongshan area, northwestern China. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ Z. Dong. 1997. On the crocodiles from the Mazongshan area, Gansu Province, China. Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing
• ↑¹ H. You, D. Li, and Q. Ji, M. C. Lamanna, P. Dodson. 2005. On a new genus of basal neoceratopsian dinosaur from the Early Cretaceous of Gansu Province, China. Acta Geologica Sinica 79(5):593-597
• ↑¹ Z. Li, J. Fang, and X. Li, S. Ma, J. Chen. 2002. Mesozoic strata of Chaoshui Basin, northwest China. Palaeoworld 14:49-75
• ↑¹ Z. Dong and Y. Azuma. 1997. On a primitive neoceratopsian from the Early Cretaceous of China. Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing
• ↑¹ C.-C. Young and M.-C. Chow. 1963. Cretaceous and Paleocene vertebrate horizons of North Kwangtung. Scientia Sinica 12(9):1411
• ↑¹ X. Zhao, Z. Cheng, and X. Xu, P. J. Makovicky. 2006. A new ceratopsian from the Upper Jurassic Houcheng Formation of Hebei, China. Acta Geologica Sinica 80(4):467-473
• ↑¹ W. Zheng, X. Jin, and X. Xu. 2015. A psittacosaurid-like basal neoceratopsian from the Upper Cretaceous of central China and its implications for basal ceratopsian evolution. Scientific Reports 5:14190:1-9 (https://doi.org/10.1038/srep14190)
• ↑¹ L. Jin, J. Chen, and S. Zan, P. Godefroit. 2009. A new basal neoceratopsian dinosaur from the middle Cretaceous of Jilin Province, China. Acta Geologica Sinica 83(2):200-206 (https://doi.org/10.1111/j.1755-6724.2009.00023.x)
• ↑¹ X. Xu, P. J. Makovicky, and X.-l. Wang, M. A. Norell, H.-l. You. 2002. A ceratopsian dinosaur from China and the early evolution of the Ceratopsia. Nature 416:314-317 (https://doi.org/10.1038/416314a)
• ↑¹ R. Amiot, N. Kusuhashi, and X. Xu, Y. Wang. 2010. Isolated dinosaur teeth from the Lower Cretaceous Shahai and Fuxin formations of northeastern China. Journal of Asian Earth Sciences 39:347-358 (https://doi.org/10.1016/j.seaes.2010.04.017)
• ↑^{1 2} Z.-M. Dong and P. J. Currie. 1994. Protoceratopsian embryos from Inner Mongolia, People's Republic of China. Canadian Journal of Earth Sciences 30(10-11):2248-2254 (https://doi.org/10.1139/e93-195)
• ↑^{1 2 3 4 5} Ł. Czepiński. 2020. New protoceratopsid specimens improve the age correlation of the Upper Cretaceous Gobi Desert strata. Acta Palaeontologica Polonica 65(3):481-497 (https://doi.org/10.4202/app.00701.2019)
• ↑¹ O. Lambert, P. Godefroit, and H. Li, C.-Y. Shang, Z.-M. Dong. 2001. A new species of Protoceratops (Dinosauria, Neoceratopsia) from the Late Cretaceous of Inner Mongolia (P. R. China). Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Science de la Terre 71(supplement):5-28
• ↑¹ Y. He, P. J. Makovicky, and K. Wang, S. Chen, C. Sullivan, F. Han, X. Xu. 2015. A new leptoceratopsid (Ornithischia, Ceratopsia) with a unique ischium from the Upper Cretaceous of Shandong Province, China. PLoS ONE 10(12): e0144148 (https://doi.org/10.1371/journal.pone.0144148)
• ↑¹ X. Xu, K.-B. Wang, and X.-J. Zhao, D.-J. Li. 2010. First ceratopsid dinosaur from China and its biogeographical implications. Chinese Science Bulletin 55(16):1631-1635 (https://doi.org/10.1007/s11434-009-3614-5)
• ↑¹ X. Xu, K. Wang, and X. Zhao, C. Sullivan, S. Chen. 2010. A new leptoceratopsid (Ornithischia: Ceratopsia) from the Upper Cretaceous of Shandong, China and its implications for neoceratopsian evolution. PLoS One 5(11/e13835):1-14 (https://doi.org/10.1371/journal.pone.0013835)
• ↑¹ C.-C. Young. 1958. The first record of dinosaurian remains from Shansi. Vertebrata PalAsiatica 2(4):231-236
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• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31} M. T. Carrano. 2005. Fossil Vertebrate Collections, University of California Museum of Paleontology
• ↑^{1 2} L. E. Wilson. 2008. Comparative taphonomy and paleoecological reconstruction of two microvertebrate accumulations from the Late Cretaceous Hell Creek Formation (Maastrichtian), eastern Montana. Palaios 23:289-297 (https://doi.org/10.2110/palo.2007.p07-006r)
• ↑¹ J. R. Hutchinson and L. M. Chiappe. 1998. The first known alvarezsaurid (Theropoda: Aves) from North America. Journal of Vertebrate Paleontology 18(3):447-450 (https://doi.org/10.1080/02724634.1998.10011073)
• ↑¹ E. A. CoBabe and D. E. Fastovsky. 1987. Ugrosaurus olsoni, a new ceratopsian (Reptilia: Ornithischia) from the Hell Creek Formation of eastern Montana. Journal of Paleontology 61(1):148-154 (https://doi.org/10.1017/s0022336000028298)
• ↑¹ C. Campbell. 2002. One collector's trash is a paleontologist's treasure: re-excavation of a Triceratops sit near K/T boundary in Garfield County, Montana. Journal of Vertebrate Paleontology 22(3 (suppl.)):40A-41A
• ↑^{1 2 3 4} B. R. Erickson. 2017. History of the ceratopsian dinosaur Triceratops in the Science Museum of Minnesota, 1960–present. The Science Museum of Minnesota, Monograph (Paleontology) 12:1-37
• ↑¹ J. W. Happ. 2010. New evidence regarding the structure and function of the horns in Triceratops (Dinosauria: Ceratopsidae). New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium
• ↑¹ R. E. Molnar. 1978. A new theropod dinosaur from the Upper Cretaceous of central Montana. Journal of Paleontology 52(1):73-82
• ↑^{1 2 3 4 5 6 7 8 9} J. B. Hatcher, O. C. Marsh, and R. S. Lull. 1907. The Ceratopsia. Monographs of the United States Geological Survey 49:1-198 (https://doi.org/10.5962/bhl.title.60500)
• ↑^{1 2 3} M. B. Goodwin and J. R. Horner. 1997. Morphological variation and ontogeny in the skull of Triceratops. Journal of Vertebrate Paleontology 17(3, suppl.):49A
• ↑^{1 2} J. R. Horner and M. B. Goodwin. 2008. Ontogeny of canial epi-ossifications in Triceratops. Journal of Vertebrate Paleontology 28(1):134-144 (https://doi.org/10.1671/0272-4634(2008)28[134:ooceit]2.0.co;2)
• ↑^{1 2 3} J. B. Scannella and D. W. Fowler. 2014. A stratigraphic survey of Triceratops localities in the Hell Creek Formation, northeastern Montana (2006–2010). Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas. Geological Society of America Special Paper 503:313-332 (https://doi.org/10.1130/2014.2503(12))
• ↑¹ J. R. MacDonald. 1966. The search for the king of the tyrant lizards. Los Angeles County Museum of Natural History Quarterly 4(3):18-22
• ↑¹ M. T. Carrano. 2015. Fossil Vertebrate Collections, Carnegie Museum of Natural History
• ↑¹ S. W. Keenan and J. B. Scannella. 2014. Paleobiological implications of a Triceratops bonebed from the Hell Creek Formation, Garfield County, northeastern Montana. Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas. Geological Society of America Special Paper 503:349-364 (https://doi.org/10.1130/2014.2503(14))
• ↑¹ B. R. Erickson. 1966. Mounted skeleton of Triceratops prorsus in the Science Museum. Scientific Publications of the Science Museum of Minnesota, New Series 1(1):1-16
• ↑¹ Anonymous. 1958. Triceratops at Birmingham Museum. Museum Journal 58(1):16-17
• ↑¹ B. Brown and E. M. Schlaikjer. 1942. The skeleton of Leptoceratops with the description of a new species. American Museum Novitates 1169:1-15
• ↑^{1 2 3} S. D. Sampson. 1995. Two new horned dinosaurs from the upper Cretaceous Two Medicine Formation of Montana; with a phylogenetic analysis of the Centrosaurinae (Ornithischia: Ceratopsidae). Journal of Vertebrate Paleontology 14(5):743-760 (https://doi.org/10.1080/02724634.1995.10011259)
• ↑^{1 2 3} S. D. Sampson. 1994. Two new horned dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous Two Medicine Formation, Montana, USA. Journal of Vertebrate Paleontology 14(3, suppl.):44A
• ↑¹ C. W. Gilmore. 1914. A new ceratopsian dinosaur from the Upper Cretaceous of Montana, with note on Hypacrosaurus. Smithsonian Miscellaneous Collections 63(3):1-10
• ↑^{1 2 3 4} M. T. Carrano. 2006. Fossil Vertebrate Collections, Museum of the Rockies
• ↑¹ J. R. Horner. 1984. Three ecologically distinct vertebrate faunal communities from the Late Cretaceous Two Medicine Formation of Montana, with discussion of evolutionary pressures induced by interior seaway fluctuations. Northwest Montana and Adjacent Canada. Montana Geological Society, 1984 Field Conference and Symposium
• ↑¹ D. J. Varricchio. 1995. Taphonomy of Jack's Birthday Site, a diverse dinosaur bonebed from the Upper Cretaceous Two Medicine Formation of Montana. Palaeogeography, Palaeoclimatology, Palaeoecology 114:297-323 (https://doi.org/10.1016/0031-0182(94)00084-l)
• ↑¹ A. T. McDonald and J. R. Horner. 2010. New material of "Styracosaurus" ovatus from the Two Medicine Formation of Montana. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ C. W. Gilmore. 1930. On dinosaurian reptiles from the Two Medicine Formation of Montana. Proceedings of the United States National Museum 77(16):1-39 (https://doi.org/10.5479/si.00963801.77-2839.1)
• ↑¹ J. P. Wilson, M. J. Ryan, and D. C. Evans. 2020. A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the 'Styracosaurus-line' dinosaurs. Royal Society Open Science 7:200284 (https://doi.org/10.1098/rsos.200284)
• ↑^{1 2 3 4} A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142
• ↑¹ N. R. Longrich. 2013. Judiceratops tigris, a new horned dinosaur from the middle Campanian Judith River Formation of Montana. Bulletin of the Peabody Museum of Natural History 54(1):51-65 (https://doi.org/10.3374/014.054.0103)
• ↑¹ M.A. Loewen, J. J. W. Sertich, and S. Sampson, J. K. O.'Connor, S. Carpenter, B. Sisson, A. Ohlenschlaaeger, A. Farke, P. J. Makovicky, N. Longrich, DC Evans. 2024. Lokiceratops rangiformis gen. et sp. nov. (Ceratopsidae: Centrosaurinae) from the Campanian Judith River Formation of Montana reveals rapid regional radiations and extreme endemism within centrosaurine dinosaurs. PeerJ 12:e17224:1-97 (https://doi.org/10.7717/peerj.17224)
• ↑¹ M. J. Ryan, A. P. Russell, and S. Hartman. 2010. A new chasmosaurine ceratopsid from the Judith River Formation, Montana. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ M. T. Carrano. 2025. Taxonomic opinions on the Dinosauria.
• ↑¹ B. Brown. 1933. A gigantic ceratopsian dinosaur, Triceratops maximus, new species. American Museum Novitates 649:1-9
• ↑^{1 2 3} M. B. Goodwin and J. R. Horner. 2010. Historical collecting bias and the fossil record of Triceratops in Montana. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ J. S. Anderson. 1999. Occipital condyle in the ceratopsian Triceratops, with comments on body size variation. Contributions from the Museum of Paleontology, University of Michigan 30(8):215-231
• ↑¹ H. F. Osborn. 1933. Mounted skeleton of Triceratops elatus. American Museum Novitates 654:1-14
• ↑¹ C. Lupton, D. Gabriel, and R. M. West. 1980. Paleobiology and depositional setting of a Late Cretaceous vertebrate locality, Hell Creek Formation, McCone County, Montana. Contributions to Geology, University of Wyoming 18(2):117-126
• ↑¹ R. Estes, P. Berberian, and C. A. M. Meszoely. 1969. Lower vertebrates from the Late Cretaceous Hell Creek Formation, McCone County, Montana. Breviora 337:1-33
• ↑¹ A. E. Roberts. 1972. Cretaceous and early Tertiary depositional and tectonic history of the Livingston area, southwestern Montana. United States Geological Survey Professional Paper 526-C:1-120 (https://doi.org/10.3133/pp526c)
• ↑^{1 2} W. W. Stein and M. Triebold. 2013. Preliminary analysis of a sub-adult tyrannosaurid skeleton from the Judith River Formation of Petroleum County, Montana. Tyrannosaurid Paleobiology
• ↑¹ B. J. Chinnery. 2004. Description of Prenoceratops pieganensis gen. et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 24(3):572-590 (https://doi.org/10.1671/0272-4634(2004)024[0572:doppge]2.0.co;2)
• ↑^{1 2} T. S. Kelly. 2014. Preliminary report on the mammals form Lane's Little Jaw Site Quarry: a latest Cretaceous (earliest Puercan?) local fauna, Hell Creek Formation, southeastern Montana. Paludicola 10(1):50-91
• ↑¹ F. H. Knowlton. 1909. The stratigraphic relations and paleontology of the "Hell Creek beds," Ceratops beds" and equivalents, and their reference to the Fort Union Formation. Proceedings of the Washington Academy of Sciences 11(3):179-238
• ↑¹ C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201
• ↑¹ E. Douglass. 1909. A geological reconnaissance in North Dakota, Montana, and Idaho; with notes on Mesozoic and Cenozoic geology. Annals of Carnegie Museum 5(2-3):211-288 (https://doi.org/10.5962/p.331028)
• ↑^{1 2 3} T. W. Stanton. 1909. The age and stratigraphic relationships of the "Ceratops beds" of Wyoming and Montana. Proceedings of the Washington Academy of Sciences 11(3):239-293
• ↑¹ P. Dodson. 1986. Avaceratops lammersi: a new ceratopsid from the Judith River Formation of Montana. Proceedings of the Academy of Natural Sciences of Philadelphia 138(2):305-317
• ↑¹ M. T. Carrano. 2025. First report of ceratopsians and tyrannosauroids (Dinosauria) in the Newark Canyon Formation (Lower Cretaceous) of Nevada. Journal of Paleontology (https://doi.org/10.1017/jpa.2025.4)
• ↑¹ C. V. Barns. 2000. Paleontological excavations in designated wilderness: theory and practice. USDA Forest Service Proceedings RMRS P-15 3:155-159
• ↑^{1 2 3 4} D. W. Fowler and E. A. Freedman Fowler. 2020. Transitional evolutionary forms in chasmosaurine ceratopsid dinosaurs: evidence from the Campanian of New Mexico. PeerJ 8:e9251:1-49 (https://doi.org/10.7717/peerj.9251)
• ↑¹ D. G. Wolfe and J. I. Kirkland. 1998. Zuniceratops christopheri n. gen. & n. sp., a ceratopsian dinosaur from the Moreno Hill Formation (Cretaceous, Turonian) of west-central New Mexico. S. G. Lucas, J. I. Kirkland, and J. W. Estep (eds.), Lower and Middle Cretaceous Terrestrial Ecosystems, New Mexico Museum of Natural History and Science Bulletin 14:307-317
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58} B. S. Kues, J. W. Froehlich, and J. A. Schiebout, S. G. Lucas. 1977. Paleontological survey, resource assessment, and mitigation plan for the Bisti-Star Lake Area, northwestern New Mexico. Report to the Bureau of Land Management, Albuquerque, New Mexico
• ↑¹ P. J. Hutchinson and B. S. Kues. 1985. Depositional environments and paleontology of Lewis Shale to lower Kirtland Shale sequence (Upper Cretaceous), Bisti area, northwestern New Mexico. New Mexico Bureau of Mines & Mineral Resources Circular 195:24-54
• ↑^{1 2 3 4 5} R. M. Sullivan and S. G. Lucas. 2011. Charles Hazelius Sternberg and his San Juan Basin Cretaceous dinosaur collections: correspondence and photographs (1920–1925). Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:429-471
• ↑^{1 2 3} C. Wiman. 1930. Über Ceratopsia aus der Oberen Kreide in New Mexico [On Ceratopsia from the Upper Cretaceous in New Mexico]. Nova Acta Regiae Societatis Scientiarum Upsaliensis, Series 4 7(2):1-19
• ↑^{1 2 3 4} T. M. Lehman. 1993. New data on the ceratopsian dinosaur Pentaceratops sternbergii Osborn from New Mexico. Journal of Paleontology 67(2):279-288 (https://doi.org/10.1017/s0022336000032200)
• ↑¹ H. F. Osborn. 1923. A new genus and species of Ceratopsia from New Mexico, Pentaceratops sternbergii. American Museum Novitates 93:1-3
• ↑¹ N. R. Longrich. 2011. Titanoceratops ouranos, a giant horned dinosaur from the late Campanian of New Mexico. Cretaceous Research 32:264-276 (https://doi.org/10.1016/j.cretres.2010.12.007)
• ↑^{1 2 3 4 5} C. W. Gilmore. 1916. Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations. United States Geological Survey Professional Paper 98-Q:279-302 (https://doi.org/10.3133/pp98q)
• ↑¹ S. G. Dalman, S. E. Jasinski, and S. G. Lucas. 2022. A new chasmosaurine ceratopsid from the Upper Cretaceous (Campanian) Farmington Member of the Kirtland Formation, New Mexico. New Mexico Museum of Natural History and Science Bulletin 90:127-153
• ↑¹ D. W. Fowler and R. M. Sullivan. 2006. A ceratopsid pelvis with toothmarks from the Upper Cretaceous Kirtland Formation, New Mexico: evidence of Late Campanian tyrannosaurid feeding behavior. In: S. G. Lucas & R. M. Sullivan, Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:127-130
• ↑¹ M. J. Ryan. 1997. Fruitland Formation. Encyclopedia of Dinosaurs
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13} S. E. Jasinski, R. M. Sullivan, and S. G. Lucas. 2011. Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:216-271
• ↑^{1 2} M. T. Carrano. 2010. Fossil Vertebrate Collections, New Mexico Museum of Natural History and Science
• ↑¹ A. A. Farke. 2002. A review of Torosaurus (Dinosauria: Ceratopsidae) specimens from Texas and New Mexico. Journal of Vertebrate Paleontology 22(3 (suppl.)):52A
• ↑¹ C. W. Gilmore. 1922. A new sauropod dinosaur from the Ojo Alamo Formation of New Mexico. Smithsonian Miscellaneous Collections 72(34):1-9
• ↑¹ A. Weil, T. E. Williamson, and F. Pignataro, J. Colon. 2004. The teiid lizard Peneteius discovered in the Upper Cretaceous Naashoibito Member of the Kirtland Formation, San Juan Basin, New Mexico. Journal of Vertebrate Paleontology 24(3, suppl.):127A
• ↑¹ C. W. Gilmore. 1919. Reptilian faunas of the Torrejon, Puerco, and underlying Upper Cretaceous formations of San Juan County, New Mexico. United States Geological Survey Professional Paper 119:1-68 (https://doi.org/10.3133/pp119)
• ↑¹ R. M. Sullivan and S. G. Lucas. 2010. A new chasmosaurine (Ceratopsidae, Dinosauria) from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ S. G. Dalman, S. G. Lucas, and S. E. Jasinski, A. J. Lichtig, P. Dodson. 2021. The oldest centrosaurine: a new ceratopsid dinosaur (Dinosauria: Ceratopsidae) from the Allison Member of the Menefee Formation (Upper Cretaceous, early Campanian), northwestern New Mexico, USA. Paläontologische Zeitschrift (https://doi.org/10.1007/s12542-021-00555-w)
• ↑^{1 2} S. G. Lucas, G. H. Mack, and J. W. Estep. 1998. The ceratopsian dinosaur Torosaurus from the Upper Cretaceous McRae Formation, Sierra County, New Mexico. New Mexico Geological Society, 49th Field Conference, Las Cruces Country II. New Mexico Geological Society Guidebook 49:223-227 (https://doi.org/10.56577/ffc-49.223)
• ↑¹ S. G. Dalman, S. G. Lucas, and S. E. Jasinski, N. R. Longrich. 2022. Sierraceratops turneri, a new chasmosaurine ceratopsid from the Hall Lake Formation (Upper Cretaceous) of south-central New Mexico. Cretaceous Research 130:105034 (https://doi.org/10.1016/j.cretres.2021.105034)
• ↑¹ W. T. Lee. 1907. Note on the red beds of the Rio Grande region in central New Mexico. Journal of Geology 15(1):52-58 (https://doi.org/10.1086/621370)
• ↑^{1 2} R. P. Lozinsky, A. P. Hunt, and D. L. Wolberg, S. G. Lucas. 1984. Late Cretaceous (Lancian) dinosaurs from the McRae Formation, Sierra County, New Mexico. New Mexico Geology 6(4):72-77 (https://doi.org/10.58799/nmg-v6n4.72)
• ↑¹ N. R. Longrich. 2016. A ceratopsian dinosaur from the Late Cretaceous of eastern North America, and implications for dinosaur biogeography. Cretaceous Research 57:199-207 (https://doi.org/10.1016/j.cretres.2015.08.004)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59} D. A. Pearson, T. Schaefer, and K. R. Johnson, D. J. Nichols, J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 (https://doi.org/10.1130/0-8137-2361-2.145)
• ↑^{1 2} J. W. Hoganson, J. M. Campbell, and E. C. Murphy. 1994. Stratigraphy and paleontology of the Cretaceous Hell Creek Formation, Stumpf site, Morton County, North Dakota. Proceedings of the North Dakota Academy of Sciences 48:95
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• ↑¹ F. D. Holland, Jr. 1997. A North Dakota Triceratops skull. Contributions to Geology, University of Wyoming 32(1):37-50
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• ↑¹ N. R. Longrich, J. Sankey, and D. Tanke. 2010. Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA. Cretaceous Research 31:274-284 (https://doi.org/10.1016/j.cretres.2009.12.002 )
• ↑^{1 2 3 4 5 6 7} T. M. Lehman, S. L. Wick, and K. R. Barnes. 2017. New specimens of horned dinosaurs from the Aguja Formation of West Texas, and a revision of Agujaceratops. Journal of Systematic Palaeontology 15(8):641–674 (https://doi.org/10.1080/14772019.2016.1210683)
• ↑¹ T. M. Lehman. 1996. A horned dinosaur from the El Picacho Formation of West Texas, and review of ceratopsian dinosaurs from the American Southwest. Journal of Paleontology 70(3):494-508 (https://doi.org/10.1017/s0022336000038427)
• ↑^{1 2 3 4} T. M. Lehman. 1989. Chasmosaurus mariscalensis, sp. nov., a new ceratopsian dinosaur from Texas. Journal of Vertebrate Paleontology 9(2):137-162 (https://doi.org/10.1080/02724634.1989.10011749)
• ↑¹ T. M. Lehman. 1982. A ceratopsian bone bed from the Aguja Formation (Upper Cretaceous) Big Bend National Park, Texas.
• ↑^{1 2 3} M. T. Carrano. 2015. Fossil Vertebrate Collections, American Museum of Natural History
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• ↑^{1 2} J. T. Sankey. 2001. Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas. Journal of Paleontology 75(1):208-215 (https://doi.org/10.1017/s0022336000031991)
• ↑¹ J. T. Sankey. 1998. Vertebrate paleontology and magnetostratigraphy, upper Aguja Formation (late Campanian), Big Bend National Park, Texas. Journal of Vertebrate Paleontology 18(3, suppl.):75A (https://doi.org/10.31390/gradschool_disstheses.6762)
• ↑^{1 2} T. M. Lehman, S. L. Wick, and A. B. Brink, T. A. Shiller II. 2019. Stratigraphy and vertebrate fauna of the lower shale member of the Aguja Formation (lower Campanian) in West Texas. Cretaceous Research 99:291-314 (https://doi.org/10.1016/j.cretres.2019.02.028)
• ↑¹ J. A. Udden. 1907. A sketch of the geology of the Chisos country, Brewster County, Texas. Bulletin of the University of Texas 93:1-101
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• ↑¹ T. Rowe, R. L. Cifelli, and T. M. Lehman, A. Weil. 1992. The Campanian Terlingua local fauna, with a summary of other vertebrates from the Aguja Formation, Trans-Pecos Texas. Journal of Vertebrate Paleontology 12(4):472-493 (https://doi.org/10.1080/02724634.1992.10011475)
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• ↑¹ C. L. Gazin. 1940. The third expedition to central Utah in search of dinosaurs and extinct mammals. Explorations and Field-Work of the Smithsonian Institution in 1939 3586:5-8
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• ↑¹ H. Tyson. 1981. The structure and relationships of the horned dinosaur Arrhinoceratops Parks (Ornithischia: Ceratopsidae). Canadian Journal of Earth Sciences 18(8):1241-1247 (https://doi.org/10.1139/e81-115)
• ↑^{1 2} S. D. Sampson, M. A. Loewen, and A. A. Farke, E. M. Roberts, C. A. Forster, J. A. Smith, A. L. Titus. 2010. New horned dinosaurs from Utah provide evidence for intracontinental dinosaur endemism. PLoS One 5(9):e12292:1-12 (https://doi.org/10.1371/journal.pone.0012292)
• ↑¹ R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 (https://doi.org/10.1130/spe40-p1)
• ↑¹ E. K. Lund, P. M. O'Connor, and M. A. Loewen, Z. A. Jinnah. 2016. A new centrosaurine ceratopsid, Machairoceratops cronusi gen et sp. nov., from the Upper Sand Member of the Wahweap Formation (Middle Campanian), southern Utah. PLoS ONE 11(5):e0154403:1-21 (https://doi.org/10.1371/journal.pone.0154403)
• ↑¹ A. R. C. Milner, G. C. Vice, and J. D. Harris, M. G. Lockley. 2006. Dinosaur tracks from the Upper Cretaceous Iron Springs Formation, Iron County, Utah. Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:105-113
• ↑¹ J. G. Eaton, J. D. Gardner, and J. I. Kirkland, D. B. Brinkman, R. L. Nydam. 2014. Vertebrates of the Iron Springs Formation, Upper Cretaceous, southwestern Utah. Geology of Utah's Far South. Utah Geological Association Publication 43
• ↑¹ J. G. Eaton. 1999. Vertebrate paleontology of the Iron Springs Formation, Upper Cretaceous, southwestern Utah. Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:339-343
• ↑¹ J. M. Parrish. 1999. Dinosaur teeth from the Upper Cretaceous (Turonian–Judithian) of southern Utah. Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:319-321
• ↑^{1 2 3} C. G. Levitt. 2013. Bone Histology and Growth of Chasmosaurine Ceratopsid Dinosaurs from the Late Campanian Kaiparowits Formation, Southern Utah (https://doi.org/10.2139/ssrn.2375282)
• ↑¹ S. D. Sampson, E. K. Lund, and M. A. Loewen, A. A. Farke, K. E. Clayton. 2013. A remarkable short-snouted horned dinosaur from the Late Cretaceous (late Campanian) of southern Laramidia. Proceedings of the Royal Society B: Biological Sciences 280:20131186 (https://doi.org/10.1098/rspb.2013.1186)
• ↑^{1 2 3 4 5 6} M. A. Loewen, A. A. Farke, and S. D. Sampson, M. A. Getty, E. K. Lund, P. M. O.'Connor. 2013. Ceratopsid dinosaurs from the Grand Staircase of southern Utah. At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah
• ↑^{1 2} J. I. Kirkland and D. D. Deblieux. 2010. New basal centrosaurine ceratopsian skulls from the Wahweap Formation (middle Campanian), Grand Staircase-Escalante National Monument, southern Utah. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
• ↑¹ P. D. Semonche. 1999. A diverse bonebed near K/T bounary in Wyoming. In: Abstracts of papers: Fifty-ninth annual meeting of Society of Vertebrate Paleontologists; Journal of Vertebrate Paleontology 19(3 Suppl.):1-78
• ↑^{1 2} C. F. Bowen. 1918. Stratigraphy of the Hanna Basin, Wyoming. United States Geological Survey Professional Paper 108-L:227-235 (https://doi.org/10.3133/pp108l)
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• ↑¹ F. H. Knowlton. 1911. Further data on the stratigrphic position of the Lance Formation (“Ceratops beds”). Journal of Geology 19(4):358-376 (https://doi.org/10.1086/621855)
• ↑^{1 2} B. H. Breithaupt. 1985. Nonmammalian vertebrate faunas from the Late Cretaceous of Wyoming. Wyoming Geological Association 36th Annual Field Conference Guidebook: The Cretaceous Geology of Wyoming
• ↑¹ C. W. Gilmore. 1919. A new restoration of Triceratops, with notes on the osteology of the genus. Proceedings of the United States National Museum 55(2260):97-112 (https://doi.org/10.5479/si.00963801.55-2260.97)
• ↑^{1 2 3 4} E. M. Schlaikjer. 1935. Contributions to the stratigraphy and palaeontology of the Goshen Hole area, Wyoming. II. The Torrington Member of the Lance Formation and a study of a new Triceratops. Bulletin of the Museum of Comparative Zoology 7(2):31-68
• ↑¹ S. D. Smith, W. S. Persons, and L. Xing. 2016. A tyrannosaur trackway at Glenrock, Lance Formation (Maastrichtian), Wyoming. Cretaceous Research 61(1):1-4 (https://doi.org/10.1016/j.cretres.2015.12.020)
• ↑¹ W. W. Rubey, S. S. Oriel, and J. I. Tracey, Jr. 1961. Age of the Evanston Formation, western Wyoming. Short Papers in the Geologic and Hydrologic Sciences, Artlcles 1–146. Geological Survey Research 1961. United States Geological Survey Professional Paper 424-B:B-153-B-154
• ↑¹ D. G. DeMar, Jr. and B. H. Breithaupt. 2006. The nonmammalian vertebrate microfossil assemblages of the Mesaverde Formation (Upper Cretaceous, Campanian) of the Wind River and Bighorn Basins, Wyoming. Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:33-54
• ↑¹ K. Carpenter. 1982. Baby dinosaurs from the Late Cretaceous Lance and Hell Creek formations and a description of a new species of theropod. Contributions to Geology, University of Wyoming 20(2):123-134
• ↑¹ J. H. Ostrom and P. Wellnhofer. 1990. Triceratops: an example of flawed systematics. Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge (https://doi.org/10.1017/cbo9780511608377.021)
• ↑^{1 2} O. C. Marsh. 1891. Notice of new vertebrate fossils. The American Journal of Science, series 3 42:265-269 (https://doi.org/10.2475/ajs.s3-42.249.265)
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• ↑^{1 2} J.-G. Michard. 1986. Histoire de la découverte du spécimen d'Anatosaurus (Dinosaure, Hadrosauridé) vendu au Muséum d'Histoire Naturelle de Paris en 1911 [History of the discovery of a specimen of Anatosaurus (Dinosauria, Hadrosauridae) sold to the Museum of Natural History in Paris in 1911]. Annales de Paléontologie (Vert.-Invert.) 72(2):142-154
• ↑¹ J. A. Davis. 1912. The Little Powder River coal field, Campbell County, Wyoming. Contributions to Economic Geology (Short Papers and Preliminary Reports). Part II.—Mineral Fuels. 1910. United States Geological Survey Bulletin 471:423-515
• ↑¹ H. F. Osborn. 1906. Tyrannosaurus, Upper Cretaceous carnivorous dinosaur. (Second communication.). Bulletin of the American Museum of Natural History 22(16):281-296
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• ↑¹ K. Snyder, M. McLain, and J. Wood, A. V. Chadwick. 2020. Over 13,000 elements from a single bonebed help elucidate disarticulation and transport of an Edmontosaurus thanatocoenosis. PLoS One 15(5):e0233182:1-31 (https://doi.org/10.1371/journal.pone.0233182)
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• ↑^{1 2 3 4 5} R. S. Lull. 1915. The mammals and horned dinosaurs of the Lance Formation of Niobrara County, Wyoming. The American Journal of Science, series 4 40(238):319-348 (https://doi.org/10.2475/ajs.s4-40.238.319)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14} J. H. Ostrom and P. Wellnhofer. 1986. The Munich specimen of Triceratops with a revision of the genus. Zitteliana 14:111-158
• ↑^{1 2} J. B. Hatcher and R. S. Lull. 1905. Two new Ceratopsia from the Laramie of Converse County, Wyoming. The American Journal of Science, series 4 20(120):413-419 (https://doi.org/10.2475/ajs.s4-20.120.413)
• ↑¹ P. Schuyf. 1969. De kop van Triceratops cf. brevicornis HATCHER in het Mineralogisch-Geologisch Museum van de Technische Hogeschool te Delft [The head of Triceratops cf. brevicornis HATCHER in the Mineralogical-Geological Museum of the Technical University of Delft]. Grondboor en Hamer 1969(2):67-73
• ↑¹ O. C. Marsh. 1889. Notice of new American Dinosauria. The American Journal of Science and Arts, series 3 38:331-336 (https://doi.org/10.2475/ajs.s3-37.220.331)
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• ↑¹ J. A. Pappas, B. R. O'Grady, and D. C. Parris. 2003. A Judithian microfaunal locality in Elk Basin, Park County, Wyoming. Journal of Vertebrate Paleontology 23(3, suppl.):85A
• ↑¹ B. H. Breithaupt. 1982. Paleontology and paleoecology of the Lance Formation (Maastrichtian), east flank of Rock Springs Uplift, Sweetwater County, Wyoming. Contributions to Geology, University of Wyoming 21(2):123-151
• ↑¹ E. D. Cope. 1872. On the existence of Dinosauria in the transition beds of Wyoming. Proceedings of the American Philosophical Society (separate)
• ↑¹ M. C. McKenna and J. D. Love. 1970. Local stratigraphic and tectonic significance of Leptoceratops, a Cretaceous dinosaur in the Pinyon Conglomerate, northwestern Wyoming. United States Geological Survey Professional Paper 700(D):D55-D61
• ↑^{1 2} D. Bastiaans, T. Trapman, and M. Guliker, P. Kaskes, A. S. Schulp. 2016. Multigenerational assemblage of Triceratops from the Newcastle area, Wyoming, USA - an in-depth analysis of cranial and post-cranial ontogenesis. Journal of Vertebrate Paleontology 36((supp.)):94
• ↑¹ A. K. Rozhdestvensky. 1964. Novye dannye o mestonakhozhdeniyakh dinozavrov na territorii Kazakhstana i Srednei Azii [New data on occurrences of dinosaurs in Kazakhstan and Central Asia]. Tashkentskii Gosudarstvennyi Universitet, Nauchnye Trudy: Geologiya [Tashkent State University, Scientific Publications: Geology] 234:227-241
• ↑¹ L. A. Nessov. 1982. Drevneishie mlekopitaiushchie SSSR [Ancient mammals of the USSR]. Palyentologicheskogo Obshchyestva 25:228-243
• ↑¹ A. N. Riabinin. 1931. Ostatki dinozavrov iz verkhnego mela nizov'ev r. Amu-Dar'i [On the dinosaurian remains from the Upper Cretaceous of the lower parts of the Amu-Daria River]. Zapiski Rossiyskogo Mineralogicheskogo Obshchestva 60(1):114-118