Corosaurus: Difference between revisions
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{{Short description|Extinct genus of reptiles}} |
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'''''Corosaurus''''' is an [[extinct]] [[genus]] of [[pistosauroid]] known from [[Wyoming]] of the United States.<ref name=Corosaurus>{{cite journal | |
'''''Corosaurus''''' is an [[extinct]] [[genus]] of [[pistosauroid]] known from [[Wyoming]] of the United States.<ref name=Corosaurus>{{cite journal |author=Ermine Cowles Case |year=1936 |title=A nothosaur from the Triassic of Wyoming |journal= University of Michigan Contributions from the Museum of Paleontology |volume=5 |issue=1 |pages=1–36 }}</ref><ref name=Corosaurus-phylo>{{cite journal |author=Olivier Rieppel |year=1998 |title=''Corosaurus alcovensis'' Case and the phylogenetic interrelationships of Triassic stem-group Sauropterygia |journal=Zoological Journal of the Linnean Society |volume=124 |issue=1 |pages=1–41 |doi=10.1111/j.1096-3642.1998.tb00568.x |doi-access=free }}</ref> The holotype measured about {{cvt|1.65|m|ft}} long, while larger specimens would have belonged to individuals measuring more than {{cvt|4|m|ft}} long.<ref>{{cite journal |last1=Scheyer |first1=Torsten M. |last2=Romano |first2=Carlo |last3=Jenks |first3=Jim |last4=Bucher |first4=Hugo |title=Early Triassic Marine Biotic Recovery: The Predators' Perspective |journal=PLOS ONE |date=19 March 2014 |volume=9 |issue=3 |pages=e88987 |doi=10.1371/journal.pone.0088987 |pmid=24647136 |pmc=3960099 |bibcode=2014PLoSO...988987S |doi-access=free }}</ref> |
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==History of discovery== |
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==Description== |
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''Corosaurus'' is known from the [[holotype]] [[University of Wyoming|UW]] 5485, a partial [[skeleton]] which includes the [[skull]].<ref name=Corosaurus/> Later, the referred specimens [[Peabody Museum of Natural History|YPM]] 41030-41068, [[Field Museum of Natural History|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 [[mya (unit)|million years ago]].<ref name=Corosaurus-a&r>{{cite journal | |
''Corosaurus'' is known from the [[holotype]] [[University of Wyoming|UW]] 5485, a partial [[skeleton]] which includes the [[skull]].<ref name=Corosaurus/> Later, the referred specimens [[Peabody Museum of Natural History|YPM]] 41030-41068, [[Field Museum of Natural History|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 [[mya (unit)|million years ago]].<ref name=Corosaurus-a&r>{{cite journal |author=Glenn William Storrs |year=1991 |title=Anatomy and Relationships of ''Corosaurus alcovensis'' (Diapsida: Sauropterygia) and the Triassic Alcova Limestone of Wyoming |journal=Bulletin of the Peabody Museum of Natural History Yale University |volume=44 |pages=1–151 }}</ref> |
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==Etymology== |
===Etymology=== |
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''Corosaurus'' was first named by [[Ermine Cowles Case]] in [[1936 in paleontology|1936]] and the [[type species]] is ''Corosaurus alcovensis''. The [[specific name (zoology)|specific name]] is derived from the name of the Alcova Limestone Formation, in which the holotype was found.<ref name=Corosaurus |
''Corosaurus'' was first named by [[Ermine Cowles Case]] in [[1936 in paleontology|1936]] and the [[type species]] is ''Corosaurus alcovensis''. The [[specific name (zoology)|specific name]] is derived from the name of the Alcova Limestone Formation, in which the holotype was found.<ref name=Corosaurus/> |
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==Classification== |
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''Corosaurus'' was placed in its own [[family (biology)|family]], '''Corosauridae''', which named by [[Oskar Kuhn]], in 1961.<ref name=Corosaurus-a&r/> 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]].<ref name=Corosaurus-phylo/> |
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==References== |
==References== |
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[[Category:Pistosaurs]] |
[[Category:Pistosaurs]] |
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[[Category:Triassic sauropterygians]] |
[[Category:Triassic sauropterygians]] |
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[[Category:Sauropterygian genera]] |
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Latest revision as of 23:10, 19 August 2023
| 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] The holotype measured about 1.65 m (5.4 ft) long, while larger specimens would have belonged to individuals measuring more than 4 m (13 ft) long.[3]
History of discovery
[edit]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.[4]
Etymology
[edit]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]
Classification
[edit]Corosaurus was placed in its own family, Corosauridae, which named by Oskar Kuhn, in 1961.[4] 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]
References
[edit]- ^ a b c Ermine Cowles Case (1936). "A nothosaur from the Triassic of Wyoming". University of Michigan Contributions from the Museum of Paleontology. 5 (1): 1–36.
- ^ a b Olivier Rieppel (1998). "Corosaurus alcovensis Case and the phylogenetic interrelationships of Triassic stem-group Sauropterygia". Zoological Journal of the Linnean Society. 124 (1): 1–41. doi:10.1111/j.1096-3642.1998.tb00568.x.
- ^ Scheyer, Torsten M.; Romano, Carlo; Jenks, Jim; Bucher, Hugo (19 March 2014). "Early Triassic Marine Biotic Recovery: The Predators' Perspective". PLOS ONE. 9 (3): e88987. Bibcode:2014PLoSO...988987S. doi:10.1371/journal.pone.0088987. PMC 3960099. PMID 24647136.
- ^ a b Glenn William Storrs (1991). "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.
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