Ctenochelys: Difference between revisions
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'''''Ctenochelys''''' is an [[extinct]] [[genus]] of marine turtle ([[Cryptodira]], [[Cheloniidae]]), which existed during the [[Cretaceous]] period, and lived in the shallow waters of the [[Western Interior Seaway]].<ref name=PMC>{{cite journal |author=Kear BP, Lee MS |title=A primitive protostegid from Australia and early sea turtle evolution |journal=Biol. Lett. |volume=2 |issue=1 |pages=116–9 |date=March 2006 |pmid=17148342 |pmc=1617175 |doi=10.1098/rsbl.2005.0406 }}</ref> Its fossils have been found in the [[Ripley Formation]] and [[Mooreville Chalk]] of central [[Alabama]], United States.<ref>{{cite web |url=http://www.mo15.nrcs.usda.gov/news/newsletter/cpfall05.pdf |title=Gary Kobylski, New Chair of MO–15 Board and State Conservationist in Alabama - Section "Things other than Dirt!" |publisher=Charles Love, ''The Coastal Plainer'' |date=Fall 2005 |accessdate=2008-07-01 | |
'''''Ctenochelys''''' is an [[extinct]] [[genus]] of marine turtle ([[Cryptodira]], [[Cheloniidae]]), which existed during the [[Cretaceous]] period, and lived in the shallow waters of the [[Western Interior Seaway]].<ref name=PMC>{{cite journal |author=Kear BP, Lee MS |title=A primitive protostegid from Australia and early sea turtle evolution |journal=Biol. Lett. |volume=2 |issue=1 |pages=116–9 |date=March 2006 |pmid=17148342 |pmc=1617175 |doi=10.1098/rsbl.2005.0406 }}</ref> Its fossils have been found in the [[Ripley Formation]] and [[Mooreville Chalk]] of central [[Alabama]], United States.<ref>{{cite web |url=http://www.mo15.nrcs.usda.gov/news/newsletter/cpfall05.pdf |title=Gary Kobylski, New Chair of MO–15 Board and State Conservationist in Alabama - Section "Things other than Dirt!" |publisher=Charles Love, ''The Coastal Plainer'' |date=Fall 2005 |accessdate=2008-07-01 |url-status=dead |archiveurl=https://web.archive.org/web/20090320075208/http://www.mo15.nrcs.usda.gov/news/newsletter/cpfall05.pdf |archivedate=2009-03-20 }}</ref> It was first named by [[C.H. Sternberg]] in 1904,<ref name="OAK">{{cite web |url=http://www.oceansofkansas.com/Turtles.html |title=Marine Turtles |publisher=Mike Everhart |year=2004 |accessdate=2008-07-01}}</ref> and contains two species, ''C. stenoporus''<ref>{{cite journal |author=Matzke AT |title=An almost complete juvenile specimen of the Cheloniid turtle ''Ctenochelys Stenoporus'' (Hay, 1905) From the Upper Cretaceous Niobrara formation of Kansas, USA |journal=Palaeontology |volume=50 |issue=3 |pages=669–91 |year=2007 |doi=10.1111/j.1475-4983.2007.00650.x }}</ref> and ''C. acris''.<ref>{{cite journal |author=Zangerl R |title=The vertebrate fauna of the Selma Formation of Alabama. Part IV. The turtles of the family Toxochelyidae |journal=Fieldiana Geology Memoirs |pages=137–277 |year=1953 }}</ref> |
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==Species== |
==Species== |
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Revision as of 08:56, 17 September 2019
| Ctenochelys Temporal range: Late Cretaceous,
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_(17965935589).jpg)
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| Ctenochelys stenoporus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Superfamily: | Chelonioidea |
| Family: | †Ctenochelyidae |
| Genus: | †Ctenochelys Sternberg, 1904 |
| Type species | |
| †C. stenoporus | |
| Species | |
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Ctenochelys is an extinct genus of marine turtle (Cryptodira, Cheloniidae), which existed during the Cretaceous period, and lived in the shallow waters of the Western Interior Seaway.[1] Its fossils have been found in the Ripley Formation and Mooreville Chalk of central Alabama, United States.[2] It was first named by C.H. Sternberg in 1904,[3] and contains two species, C. stenoporus[4] and C. acris.[5]
Species
- Ctenochelys stenoporus is the type species. It was originally thought to be a species of Toxochelys; T. bauri, until Sternberg declared it a separate genus.[3] The two genera are similar in carapaces.[1]
- Ctenochelys acris was first named by Zangerl in 1953 and is now thought to be one of the earliest ancestors of modern cheloniids.[6]
References
- ^ a b Kear BP, Lee MS (March 2006). "A primitive protostegid from Australia and early sea turtle evolution". Biol. Lett. 2 (1): 116–9. doi:10.1098/rsbl.2005.0406. PMC 1617175. PMID 17148342.
- ^ "Gary Kobylski, New Chair of MO–15 Board and State Conservationist in Alabama - Section "Things other than Dirt!"" (PDF). Charles Love, The Coastal Plainer. Fall 2005. Archived from the original (PDF) on 2009-03-20. Retrieved 2008-07-01.
{{cite web}}: Italic or bold markup not allowed in:|publisher=(help) - ^ a b "Marine Turtles". Mike Everhart. 2004. Retrieved 2008-07-01.
- ^ Matzke AT (2007). "An almost complete juvenile specimen of the Cheloniid turtle Ctenochelys Stenoporus (Hay, 1905) From the Upper Cretaceous Niobrara formation of Kansas, USA". Palaeontology. 50 (3): 669–91. doi:10.1111/j.1475-4983.2007.00650.x.
- ^ Zangerl R (1953). "The vertebrate fauna of the Selma Formation of Alabama. Part IV. The turtles of the family Toxochelyidae". Fieldiana Geology Memoirs: 137–277.
- ^ Gentry AD (2016). "New material of the Late Cretaceous marine turtle Ctenochelys acris Zangerl, 1953 and a phylogenetic reassessment of the 'toxochelyid'-grade taxa". Journal of Systematic Palaeontology. 15 (8): 675–696. doi:10.1080/14772019.2016.1217087.
