| Source Data | |
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| Rank | genus (PBDB) |
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| Taxonomy (PBDB) | Life : Animalia : Chordata : Saurischia : Amphicoelias |
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Classification
(PBDB,GBIF) | |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Amphicoelias | genus | belongs to Amphicoeliidae | stated with evidence | Cope, 1877 | | Amphicoelias | genus | belongs to Amphicoeliidae | stated without evidence | Cope, 1878 | | Amphicoelias | genus | belongs to Sauropoda | stated without evidence | Williston, 1878 | | Amphicoelias | genus | subjective synonym of Morosaurus | stated without evidence | Sauvage, 1880 | | Amphicoelias | genus | subjective synonym of Camarasaurus | stated without evidence | Sauvage, 1882 | | Amphicoelias | genus | belongs to Atlantosauridae | stated with evidence | Zittel, 1890 | | Amphicoelias | genus | belongs to Cetiosauridae | stated without evidence | Cope, 1891 | | Amphicoelias | genus | subjective synonym of Camarasaurus | stated without evidence | Marsh, 1895 | | Amphicoelias | genus | belongs to Cetiosauridae | stated without evidence | Cope, 1898 | | Amphicoelias | genus | subjective synonym of Camarasaurus | stated without evidence | Marsh, 1898 | | Amphicoelias | genus | belongs to Atlantosauridae | stated without evidence | Hay, 1902 | | Amphicoelias | genus | belongs to Opisthocoelia | stated without evidence | Osborn and Mook, 1919 | | Amphicoelias | genus | belongs to Morosauridae | stated without evidence | Huene, 1927 | | Amphicoelias | genus | belongs to Diplodocidae | stated with evidence | Nopcsa, 1928 | | Amphicoelias | genus | belongs to Morosauridae | stated with evidence | Huene, 1929 | | Amphicoelias | genus | belongs to Diplodocinae | implied | Romer, 1956 | | Amphicoelias | genus | belongs to Sauropoda | stated with evidence | Tatarinov, 1964 | | Amphicoelias | genus | belongs to Titanosauridae | implied | Romer, 1966 | | Amphicoelias | genus | belongs to Diplodocinae | stated without evidence | Steel, 1970 | | Amphicoelias | genus | belongs to Diplodocidae | stated with evidence | Paul, 1988 | | Amphicoelias | genus | belongs to Diplodocinae | stated with evidence | McIntosh, 1990 | | Amphicoelias | genus | belongs to Diplodocinae | stated without evidence | Bakker, 1996 | | Amphicoelias | genus | belongs to Diplodocoidea | stated without evidence | Wilson and Smith, 1996 | | Amphicoelias | genus | belongs to Diplodocidae | stated without evidence | McIntosh, 1997 | | Amphicoelias | genus | belongs to Diplodocinae | stated without evidence | Salgado, 1999 | | Amphicoelias | genus | belongs to Diplodocoidea | stated with evidence | Wilson, 2002 | | Amphicoelias | genus | belongs to Diplodocidae | stated without evidence | McIntosh, 2005 | | Amphicoelias | genus | belongs to Diplodocidae | stated with evidence | Galiano and Albersdörfer, 2010 | | Amphicoelias | genus | belongs to Diplodocoidea | stated with evidence | Whitlock, 2011 | | Amphicoelias | genus | belongs to Diplodocidae | stated with evidence | Tschopp et al., 2015 | | Amphicoelias | genus | belongs to Apatosaurinae | stated with evidence | Tschopp and Mateus, 2017 | | Amphicoelias | genus | belongs to Diplodocoidea | stated with evidence | Mannion et al., 2019 |
|
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 3 |
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| First Recorded Appearance | 161 - 152 Ma
Jurassic |
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| Last Recorded Appearance | 152 - 145 Ma
Late Jurassic |
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| Environment | terrestrial (based on Sauropoda) |
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| Motility | actively mobile (based on Sauropoda) |
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| Diet | herbivore (based on Sauropoda) |
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| Reproduction | oviparous, dispersal=direct/internal,mobile (based on Sauropoda) |
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| Ontogeny | accretion,modification of parts (based on Sauropoda) |
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| Taphonomy | hydroxylapatite,compact or dense,thick (based on Sauropoda) |
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| Primary Reference (PBDB) | E. D. Cope. 1877. On Amphicoelias, a genus of Saurians from the Dakota epoch of Colorado. Proceedings of the American Philosophical Society 17:242-246 |
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| Cope E. D. On Amphicoelias, a genus of Saurians from the Dakota epoch of Colorado, Proceedings of the American Philosophical Society 17, 242-246 |
| Cope E. D. On the Saurians recently discovered in the Dakota Beds of Colorado, The American Naturalist 12 2, 71-85 |
| Zittel K. A. v. , Handbuch der Palaeontologie. I. Abteilung Paleozoologie. III. Band. Vertebrata (Pisces, Amphibia, Reptilia, Aves) [Handbook of Paleontology. Division I. Paleozoology. Volume III. Vertebrata (Pisces, Amphibia, Reptilia, Aves)], xii-900 |
| Cope E. D. , Syllabus of Lectures on Geology and Paleontology. Part III. Paleontology of the Vertebrata, 1-90 |
| Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868 |
| Osborn H. F., Mook C. C. (1919) Camarasaurus, Amphicoelias, and other sauropods of Cope, Bulletin of the Geological Society of America 30, 379-388 |
| Huene F. v. (1927) Short review of the present knowledge of the Sauropoda, Memoirs of the Queensland Museum 9 1, 121-126 |
| Nopcsa B. F. (1928) The genera of reptiles, Palaeobiologica 1, 163-188 |
| Huene F. v. (1929) Los sauriquios y ornitisquios del Cretáceo argentino, Anales del Museo de La Plata, serie 2 3, 1-196 |
| 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 |
| Steel R. (1970) Part 14. Saurischia, Handbuch der Paläoherpetologie/Encyclopedia of Paleoherpetology. Gustav Fischer Verlag, Stuttgart, 1-87 |
| Coombs, Jr. W. P., Molnar R. E. (1981) Sauropoda (Reptilia, Saurischia) from the Cretaceous of Queensland, Memoirs of the Queensland Museum 20 2, 351-373 |
| Paul G. S. (1988) The brachiosaur giants of the Morrison and Tendaguru with a description of a new subgenus, Giraffatitan, and a comparison of the world's largest dinosaurs, Hunteria 2 3, 1-14 |
| McIntosh J. S. (1990) Sauropoda, The Dinosauria. University of California Press, Berkeley, 345-401 |
| Bakker R. T. (1996) The real Jurassic park: dinosaurs and habitats at Como Bluff, Wyoming, The Continental Jurassic. Museum of Northern Arizona Bulletin 60, 35-49 |
| Wilson J. A., Smith M. B. (1996) New remains of Amphicoelias Cope (Dinosauria: Sauropoda) from the Upper Jurassic of Montana and diplodocoid phylogeny, Journal of Vertebrate Paleontology 16 3, suppl., 73A |
| Wilson J. A. (2002) Sauropod dinosaur phylogeny: critique and cladistic analysis, Zoological Journal of the Linnean Society 136, 217-276 |
| Upchurch P., Barrett P. M., et al (2004) Sauropoda, The Dinosauria (2nd edition). University of California Press, Berkeley, 259-322 |
| McIntosh J. S. (2005) The genus Barosaurus Marsh (Sauropoda, Diplodocidae), Thunder-Lizards: The Sauropodomorph Dinosaurs. Indiana University Press, Bloomington, 38-77 |
| Chure D. J., Litwin R., et al (2006) The fauna and flora of the Morrison Formation: 2006, Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36, 233-249 |
| Galiano H., Albersdörfer R. (2010) A New Basal Diplodocoid Species, Amphicoelias brontodiplodocus from the Morrison Formation, Big Horn Basin, Wyoming, with Taxonomic Reevaluation of Diplodocus, Apatosaurus, Barosaurus and Other Genera, Dinosauria International (Ten Sleep, WY) Report for September 2010, 1-41 |
| Whitlock J. A. (2011) A phylogenetic analysis of Diplodocoidea (Saurischia: Sauropoda), Zoological Journal of the Linnean Society 161, 872-915 |
| Mannion P. D., Upchurch P., et al (2012) New information on the anatomy and systematic position of Dinheirosaurus lourinhanensis (Sauropoda: Diplodocoidea) from the Late Jurassic of Portugal, with a review of European diplodocoids, Journal of Systematic Palaeontology 10 3, 521-551 doi:10.1080/14772019.2011.595432 |
| Tschopp E., Mateus O. (2013) The skull and neck of a new flagellicaudatan sauropod from the Morrison Formation and its implication for the evolution and ontogeny of diplodocid dinosaurs, Journal of Systematic Palaeontology 11 7, 853-888 doi:10.1080/14772019.2012.746589 |
| Tschopp E., Mateus O., et al (2015) A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda), PeerJ 3, e857 doi:10.7717/peerj.857 |
| Tschopp E., Mateus O. (2017) Osteology of Galeamopus pabsti sp. nov. (Sauropoda: Diplodocidae), with implications for neurocentral closure timing, and the cervico-dorsal transition in diplodocids, PeerJ 5, e3179:1-126 |
| Mannion P. D., Upchurch P., et al (2019) Taxonomic affinities of the putative titanosaurs from the Late Jurassic Tendaguru Formation of Tanzania: phylogenetic and biogeographic implications for eusauropod dinosaur evolution, Zoological Journal of the Linnean Society 185 3, 784-909 doi:10.1093/zoolinnean/zly068/5300162 |
Amphicoelias ✝
