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Xenochelys bridgerensis

Reptilia - Testudines - Kinosternoidea

Taxonomy
Xenochelys bridgerensis was named by Hutchison (1991). Its type specimen is UCMP 121734, a partial shell (fragmentary shell with nearly complete plastron, partial carapace, and ilium), and it is a 3D body fossil. Its type locality is UCMP V76186, Lone Tree White Layer West, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

Synonymy list
YearName and author
1991Xenochelys bridgerensis Hutchison p. 153
2013Xenochelys bridgerensis Bourque
2016Xenochelys bridgerensis Joyce and Bourque

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
superfamilyTrionychoideaFitzinger 1826
familyKinosternoidea()
familyKinosternidae()
genusXenochelys
speciesbridgerensis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Xenochelys bridgerensis Hutchison 1991
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwatersuperf
Locomotion: actively mobilec
Life habit: aquaticsuperf
Diet: durophagesuperf
Diet 2: piscivoresuperf
Reproduction: oviparoussuperf
Created: 2005-08-26 14:33:16
Modified: 2005-08-26 16:33:16
Source: superf = superfamily, c = class, subp = subphylum
References: Hendy et al. 2009, Uetz 2005, Carroll 1988

Age range: Bridgerian or 50.30000 to 46.20000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Bridgerian50.3 - 46.2USA (Wyoming) Xenochelys bridgerensis (16418 168275 168276 168277 168278 168279 type locality: 168280 168281)