Corosaurus: Difference between revisions
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| name = ''Corosaurus'' |
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| image = Triassic marine vertebrate apex predators.png |
| image = Triassic marine vertebrate apex predators.png |
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| image_width = 250px |
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| image_caption = ''Corosaurus'' (12) and other Early Triassic marine predators |
| image_caption = ''Corosaurus'' (12) and other Early Triassic marine predators |
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| fossil_range = [[Early Triassic]], {{fossil_range|247.4|245}} |
| fossil_range = [[Early Triassic]], {{fossil_range|247.4|245}} |
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Revision as of 20:06, 18 August 2017
| Corosaurus Temporal range: Early Triassic,
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| Corosaurus (12) and other Early Triassic marine predators | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Clade: | †Pistosauroidea |
| Family: | †Corosauridae Kuhn, 1961 |
| Genus: | †Corosaurus Case, 1936 |
| Species: | †C. alcovensis
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| Binomial name | |
| †Corosaurus alcovensis Case, 1936
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Corosaurus is an extinct genus of pistosauroid known from Wyoming of the United States.[1][2]
Description
Corosaurus is known from the holotype UW 5485, a partial skeleton which includes the skull.[1] Later, the referred specimens YPM 41030-41068, FMNH PR 135, FMNH PR 1368-1369, FMNH PR 242-246 and FMNH PR 1382-1383 were described by Glenn William Storrs in 1991. All specimens were collected in Jackson Canyon, Natrona County, from the Chugwater Group of the Alcova Limestone Formation, dating to the late Olenekian stage of the late Early Triassic, about 247.4-245 million years ago.[3] After a revision of the holotype and referred material of Corosaurus, Olivier Rieppel found Corosaurus to be the sister-taxon to a clade comprising Cymatosaurus, Pistosaurus and Plesiosauria.[2]
Etymology
Corosaurus was first named by Ermine Cowles Case in 1936 and the type species is Corosaurus alcovensis. The specific name is derived from the name of the Alcova Limestone Formation, in which the holotype was found.[1] Corosaurus was placed in its own family, Corosauridae, which named by Oskar Kuhn, in 1961.[3]
References
- ^ a b c "A nothosaur from the Triassic of Wyoming". University of Michigan Contributions from the Museum of Paleontology. 5 (1): 1–36. 1936.
{{cite journal}}: Unknown parameter|authors=ignored (help) - ^ a b "Corosaurus alcovensis Case and the phylogenetic interrelationships of Triassic stem-group Sauropterygia". Zoological Journal of the Linnean Society. 124 (1): 1–41. 1998. doi:10.1111/j.1096-3642.1998.tb00568.x.
{{cite journal}}: Unknown parameter|authors=ignored (help) - ^ a b "Anatomy and Relationships of Corosaurus alcovensis (Diapsida: Sauropterygia) and the Triassic Alcova Limestone of Wyoming". Bulletin of the Peabody Museum of Natural History Yale University. 44: 1–151. 1991.
{{cite journal}}: Unknown parameter|authors=ignored (help)
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