| Source Data | |
|---|
| Rank | genus (PBDB) |
|---|
| Taxonomy (PBDB) | Life : Animalia : Chordata : Ornithischia : Pachycephalosauridae : Stegoceras |
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Classification
(PBDB,GBIF) | |
|---|
| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Stegoceras | genus | belongs to Ceratopsidae | stated without evidence | Lambe, 1902 | | Stegoceras | genus | belongs to Reptilia | stated without evidence | Huene, 1909 | | Stegoceras | genus | belongs to Ceratopsidae | stated without evidence | Lambe, 1911 | | Stegoceras | genus | belongs to Acanthopholididae | stated with evidence | Nopcsa, 1915 | | Stegoceras | genus | belongs to Ceratopsidae | stated with evidence | Hennig, 1915 | | Stegoceras | genus | belongs to Psalisauridae | stated without evidence | Lambe, 1918 | | Stegoceras | genus | subjective synonym of Troodon | stated without evidence | Gilmore, 1924 | | Stegoceras | genus | belongs to Ceratopsidae | stated without evidence | Huene, 1927 | | Stegoceras | genus | belongs to Acanthopholidae | stated with evidence | Nopcsa, 1928 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Sternberg, 1945 | | Stegoceras | genus | belongs to Pachycephalosauridae | implied | Romer, 1956 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Parsch, 1963 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Tatarinov, 1964 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Kuhn, 1964 | | Stegoceras | genus | belongs to Pachycephalosauridae | implied | Romer, 1966 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Russell and Chamney, 1967 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Maryanska and Osmolska, 1974 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Galton, 1974 | | Stegoceras | genus | belongs to Pachycephalosauroidea | stated without evidence | Zhao, 1983 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Russell, 1984 | | Stegoceras | genus | belongs to Pachycephalosauria | stated without evidence | Maryanska and Osmólska, 1985 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Clemens, 1986 | | Stegoceras | genus | belongs to Tholocephalidae | stated with evidence | Sereno, 1986 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Sues and Galton, 1987 | | Stegoceras | genus | belongs to Pachycephalosauridae | implied | Carroll, 1988 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Maryanska, 1990 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Goodwin, 1990 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Sereno, 1998 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Eberth et al., 2001 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Maryanska et al., 2004 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Ryan and Evans, 2005 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Sullivan, 2006 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Sullivan and Lucas, 2006 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated with evidence | Schott et al., 2009 | | Stegoceras | genus | belongs to Pachycephalosauridae | stated without evidence | Jasinski, 2015 |
|
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 3 |
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| First Recorded Appearance | 83.6 - 72.1 Ma
Late/Upper Cretaceous |
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| Last Recorded Appearance | 72.1 - 66.0 Ma
Late/Upper Cretaceous |
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| Environment | terrestrial (based on Ornithischia) |
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| Motility | actively mobile (based on Ornithischia) |
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| Diet | herbivore (based on Ornithischia) |
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| Reproduction | oviparous, dispersal=direct/internal,mobile (based on Ornithischia) |
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| Ontogeny | accretion,modification of parts (based on Ornithischia) |
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| Taphonomy | hydroxylapatite,compact or dense (based on Ornithischia) |
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| Primary Reference (PBDB) | 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 |
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| Lambe L. M. (1902) New genera and species from the Belly River Series (mid-Cretaceous), Geological Survey of Canada Contributions to Canadian Palaeontology 3 2, 25-81 |
| Hennig E. (1915) , Fossilium Catalogus. I: Animalia. Pars 9: Stegosauria, 1-16 |
| Nopcsa B. F. (1915) Die dinosaurier der Siebenbürgischen landesteile Ungarns [Dinosaurs of the Transylvanian regions of Hungary], Mitteilungen aus den Jahrbuch der Königlich Ungarnischen Geologischen Reichsanstalt 23, 1-24 |
| Lambe L. M. (1918) The Cretaceous genus Stegoceras typifying a new family referred provisionally to the Stegosauria, Proceedings and Transactions of the Royal Society of Canada, series 3 12, 23-36 |
| Huene F. v. (1927) Contribución a la paleogeografía de Sud América [Contribution to the paleogeography of South America], Boletín de la Academia Nacional de Ciencias de la República Argentina 30, 231-294 |
| Nopcsa B. F. (1928) The genera of reptiles, Palaeobiologica 1, 163-188 |
| Nopsca B. F. (1928) Palaeontological notes on reptiles. VI. Scolosaurus cutleri, a new dinosaur, Geologica Hungarica, Series Palaeontologica 1 1, 54-74 |
| Sternberg C. M. (1945) Pachycephalosauridae proposed for dome-headed dinosaurs, Stegoceras lambei, n. sp., described, Journal of Paleontology 19 5, 534-538 |
| Romer A. S. (1956) , Osteology of the Reptiles, University of Chicago Press, 1-772 |
| Tatarinov L. P. (1964) Nadotryad Dinosauria. Dinozavry [Superorder Dinosauria. Dinosaurs], Osnovy Paleontologii [Fundamentals of Paleontology] 12, 523-589 |
| Romer A. S. (1966) , Vertebrate Paleontology, 3rd edition, 1-468 |
| Swinton W. E. (1970) , The Dinosaurs, Wiley-Interscience, New York, 1-331 |
| Galton P. M. (1974) Notes on Thescelosaurus, a conservative ornithopod dinosaur from the Upper Cretaceous of North America, with comments on ornithopod classification, Journal of Paleontology 48 5, 1048-1067 |
| Maryanska T., Osmolska H. (1974) Pachycephalosauria, a new suborder of ornithischian dinosaurs, Palaeontologia Polonica 30, 45-102 |
| Thulborn R. A. (1974) A new heterodontosaurid dinosaur (Reptilia: Ornithischia) from the Upper Triassic red beds of Lesotho, Zoological Journal of the Linnean Society 55, 151-175 |
| Dong Z. (1978) [A new genus of Pachycephalosauria from Laiyang, Shantung], Vertebrata PalAsiatica 16 4, 225-228 |
| Wall W. P., Galton P. M. (1979) Notes on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America, with comments on their status as ornithopods, Canadian Journal of Earth Sciences 16, 1176-1186 |
| Molnar R. E. (1980) Australian late Mesozoic continental tetrapods: some implications, Mémoires de la Société Géologique de France, Nouvelle Série 139, 131-143 |
| Rage J.-C. (1981) Les continents péri-atlantiques au Crétacé Supérieur: migrations des faunes continentales et problèmes paléogéographiques [The peri-Atlantic continents of the Upper Cretaceous: migrations of continental faunas and paleogeographic problems], Cretaceous Research 2, 65-84 |
| Galton P. M., Sues H.-D. (1983) New data on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America, Canadian Journal of Earth Sciences 20 3, 462-472 |
| Zhao X. (1983) Phylogeny and evolutionary stages of Dinosauria, Acta Palaeontologica Polonica 28 1-2, 295-306 |
| Russell D. A. (1984) A check list of the families and genera of North American dinosaurs, Syllogeus 53, 1-35 |
| Sereno P. C. (1986) Phylogeny of the bird-hipped dinosaurs (order Ornithischia), National Geographic Research 2 2, 234-256 |
| Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698 |
| Goodwin M. B. (1990) Morphometric landmarks of pachycephalosaurid cranial material from the Judith River Formation of northcentral Montana, Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge, 189-201 |
| Sereno P. C. (1997) The origin and evolution of dinosaurs, Annual Review of Earth and Planetary Sciences 25, 435-489 |
| Sereno P. C. (1998) A rationale for phylogenetic definitions, with application to the higher-level taxonomy of Dinosauria, Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 210 1, 41-83 |
| Sereno P. C. (1999) The evolution of dinosaurs, Science 284, 2137-2147 |
| Sereno P. C. (2000) The fossil record, systematics and evolution of pachycephalosaurs and ceratopsians from Asia, The Age of Dinosaurs in Russia and Mongolia, 480-516 |
| Eberth D. A., Currie P. J., et al (2001) Alberta's dinosaurs and other fossil vertebrates: Judith River and Edmonton groups (Campanian-Maastrichtian), In C. L. Hill (ed), Society of Vertebrate Paleontology, 61st Annual Meeting, Bozeman. Guidebook for the Field Trips: Mesozoic and Cenozoic Paleontology in the Western Plains and Rocky Mountains, Museum of the Rockies Occasional Paper 3, 49-75 |
| Sullivan R. M. (2003) Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae), Journal of Vertebrate Paleontology 23 1, 181-207 |
| Williamson T. E., Carr T. D. (2003) A new genus of derived pachycephalosaurian from western North America, Journal of Vertebrate Paleontology 22 4, 779-801 |
| Sullivan R. M. (2006) A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35, 348-365 |
| Sullivan R. M., Lucas S. G. (2006) The pachycephalosaurid dinosaur Stegoceras validum from the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico, Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35, 329-330 |
| Butler R. J., Upchurch P., et al (2008) The phylogeny of ornithischian dinosaurs, Journal of Systematic Palaeontology 6 1, 1-40 doi:10.1017/S1477201907002271 |
| Longrich N. (2008) A new, large ornithomimid from the Cretaceous Dinosaur Park Formation of Alberta, Canada: implications for the study of dissociated dinosaur remains, Palaeontology 51 4, 983-997 doi:10.1111/j.1475-4983.2008.00791.x |
| Schott R. K., Evans D. C., et al (2009) The anatomy and systematics of Colepiocephale lambei (Dinosauria: Pachycephalosauridae), Journal of Vertebrate Paleontology 29 3, 771-786 doi:10.1671/039.029.0329 |
| Jasinski S. E., Sullivan R. M. (2011) Re-evaluation of pachycephalosaurids from the Fruitland-Kirtland transition (Kirtlandian, late Campanian), San Juan Basin, New Mexico, with a description of a new species of Stegoceras and a reassessment of Texacephale langstoni, Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53, 202-215 |
| Jasinski S. E. (2015) A new dromaeosaurid (Theropoda: Dromaeosauridae) from the Late Cretaceous of New Mexico, Fossil Record 4. New Mexico Museum of Natural History and Science Bulletin 67, 79-88 |
Stegoceras ✝
