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Compsemys

Reptilia - Testudines

Synonyms
Synonymy list
YearName and author
1856Compsemys Leidy p. 312
1856Emys obscurus Leidy p. 312
1857Emys obscurus Leidy p. 90
1860Compsemys Leidy p. 152
1860Emys obscurus Leidy p. 153
1884Compsemys Cope
1902Compsemys Hay p. 437
1902Compsemys obscurus Hay p. 437
1908Glyptops depressus Hay figs. Text-figs. 33, 34
1908Compsemys Hay p. 233
1908Compsemys obscura Hay p. 235 figs. Plate 34, fig. 4
1964Compsemys Estes p. 98
1970Compsemys Estes and Berberian p. 5
1972Compsemys Gaffney pp. 249, 289 fig. 37
1976Compsemys Estes p. 507
1988Compsemys Carroll
1989Compsemys Bryant p. 41
2002Compsemys Holroyd and Hutchison p. 181
2003Compsemys Hutchison and Holroyd
2004Compsemys Milner p. 1445
2007Compsemys Burger p. 144
2011Compsemys Joyce et al. p. 79
2011Compsemys Lyson and Joyce p. 790
2012Compsemys Karl et al.
2012Compsemys Pérez-García
2012Compsemys Sullivan et al.
2013Compsemys Hutchison et al.
2015Compsemys Lichtig and Lucas
2015Compsemys Pérez-García et al.
2018Compsemys López-Conde et al.
2019Compsemys Joyce and Anquetin

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
RankNameAuthor
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
Paracryptodira
genusCompsemys

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.

Diagnosis
ReferenceDiagnosis
E. S. Gaffney 19721) shell shape oval, sides parallel; 2) ornamentation consisting of small, close-set enameled tubercles, not known in any other turtles; 3) nuchal scute small, wide, with very short anteroposterior length; 4) no anterior emargination of carapace; first peripherals meeting medially in front of nuchal, preventing it from being exposed on anterior edge of carapace; 5) preneural bone absent; 6) first vertebral larger than other vertebrals; rectangular, without supracostal scutes laterally; 7) supramarginal scutes absent; 8) last vertebral enclosed posteriorly by last pair of marginals meeting in midline, last marginals rectangular; 9) posterior edge of carapace not emarginated; 10) posterior edge of carapace not scalloped; 11) xiphiplastral notch present, shallow, varying from U-shaped to V-shaped; 12) paired intergulars placed at anterolateral corners of plastron separated by very wide, paired intergulars; humero-intergular sulcus and pectoro-humeral sulcus converge toward each other in midline.