| Amphicotylus Temporal range: Late Jurassic,
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| Skull (OMNH 2392) of Amphicotylus stovalli from Oklahoma | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | Crocodylomorpha |
| Clade: | Crocodyliformes |
| Family: | †Goniopholididae |
| Genus: | †Amphicotylus Cope, 1878 |
| Type species | |
| †Amphicotylus lucasii Cope, 1878
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| Species[2] | |
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Amphicotylus is an extinct genus of goniopholidid mesoeucrocodylian from the Tithonian of Colorado, Wyoming, and Oklahoma.[3][4] It was described in 1878.[5]
- ^ Yoshida, J.; Hori, A.; Kobayashi, Y.; Ryan, M.J.; Takakuwa, Y.; Hasegawa, Y. (8 December 2021). "A new goniopholidid from the Upper Jurassic Morrison Formation, USA: novel insight into aquatic adaptation toward modern crocodylians". The Royal Society. 8 (12). doi:10.1098/rsos.210320. PMC 8652276. PMID 34909210.
- ^ Pritchard, A. C.; Turner, A. H.; Allen, E. R. & Norell, M. A. (2013). "Osteology of a North American Goniopholidid (Eutretauranosuchus delfsi) and Palate Evolution in Neosuchia". American Museum Novitates (3783): 1–56. doi:10.1206/3783.2. hdl:2246/6449. S2CID 73539708.
- ^ Marco Brandalise de Andrade; Richard Edmonds; Michael J. Benton & Remmert Schouten (2011). "A new Berriasian species of Goniopholis (Mesoeucrocodylia, Neosuchia) from England, and a review of the genus". Zoological Journal of the Linnean Society. 163 (s1): S66–S108. doi:10.1111/j.1096-3642.2011.00709.x.
- ^ Puértolas-Pascual, E.; Canudo, J.I. & Sender, L.M. (2015). "New material from a huge specimen of Anteophthalmosuchus cf. escuchae (Goniopholididae) from the Albian of Andorra (Teruel, Spain): Phylogenetic implications". Journal of Iberian Geology. 41 (1): 41–56. doi:10.5209/rev_JIGE.2015.v41.n1.48654.
- ^ E. D. Cope. 1878. Descriptions of new extinct Vertebrata from the Upper Tertiary and Dakota Formations. 'Bulletin of the United States Geological and Geographical Survey of the Territories, 4(2):379-396