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Dinochelys

Reptilia - Pleurosternidae

Synonymy list
YearName and author
1979Dinochelys Gaffney p. 97 figs. 3-5, 10
1988Dinochelys Carroll
2000Dinochelys Brinkman et al. p. 269
2004Dinochelys Milner p. 1445
2007Dinochelys Joyce
2008Dinochelys Pérez-García et al.
2009Dinochelys Anquetin et al.
2011Dinochelys Lyson and Joyce p. 793
2011Dinochelys Pérez-García and Ortega
2012Dinochelys Anquetin p. 28
2012Dinochelys Karl et al.
2012Dinochelys Pérez-García
2014Dinochelys Perea et al.
2015Dinochelys Pérez-García et al.
2019Dinochelys Joyce and Anquetin

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
—Paracryptodira
familyPleurosternidae
genusDinochelys

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.

G. †Dinochelys Gaffney 1979
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†Dinochelys whitei Gaffney 1979
Diagnosis
ReferenceDiagnosis
E. S. Gaffney 1979Member of the Cryptodira with external surface of carapace and plastron smooth and lacking ornamentation seen in Glyptops and Trinitichelys; carapace oval, nuchal bone slightly indented anteriorly as in Glyptops; eight neural bones present; two suprapygals, the anterior one large and triangular in contrast to Pleurosternon in which it is small and rectangular; nuchal scute rectangular, no accessory nuchal scutes as in Plesiochelys; first costal articulates only with first and second peripherals rather than with first through third peripherals as in Glyptops and most turtles; supramarginal scutes absent; last vertebral scute completely enclosed by rectangular marginals in contrast to Glyptops but as in Plesiochelys and Pleurosternon; plastral fontanelles absent, at least in presumed adults; anterior edge of plastron produced into lobes by indentations of gular and intergular sulci in contrast to Glyptops
but similar to Plesiochelys; mesoplastra meet in midline; xiphiplastral notch as seen in Pleurosternon and Mesochelys absent; dorsal surface of xiphiplastron with facet for seemingly movable articulation with pubis, sutural attachment between shell and pelvis absent; one pair of intergular scutes present, extending barely onto entoplastron, and widely separating gular scutes; inframarginal scutes present.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Hendy et al. 2009

Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian157.3 - 145.0USA (Colorado) D. sp. (231533)
Kimmeridgian - Tithonian157.3 - 145.0USA (Wyoming) D. sp. (56165) D. whitei (12816 39431 49636)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Colorado) D. whitei (45975)
Tithonian152.1 - 145.0USA (Wyoming) D. whitei (39429)
Tithonian152.1 - 145.0USA (Colorado) D. sp. (48161)
Tithonian152.1 - 145.0USA (Oklahoma) D. whitei (49598)
Early/Lower Tithonian150.8 - 145.0USA (Utah) D. sp., D. whitei (21852)
Early/Lower Tithonian150.8 - 145.0USA (Wyoming) D. sp. (56654)