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Casichelydia (disused)

Reptilia - Testudines

Synonymy list
YearName and author
1975Casichelydia Gaffney p. 2
1987Casichelydia de Broin p. 132
1988Casichelydia Sullivan et al. p. 2
1998Casichelydia Gaffney et al. p. 3
1998Casichelydia Hirayama and Hikida p. 70
2006Casichelydia Gaffney et al. p. 26

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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
suborderCasichelydia
suborderCasichelydia

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 1975Turtles with closed interpterygoid vacuity and no trace of cultriform process on parasphenoid (parasphenoid nearly always fused with basisphenoid); floor of cavum acustico- jugulare with lateral wall formed by quadrate; kidney-shaped cavum tympani present; all indi- cations of teeth absent; apertura narium externa usually not divided; crista supraoccipitalis ex- panded dorsally and/or posteriorly in comparison with other reptiles; antrum postoticum present; median tubercle on basioccipital absent;lacrimal absent.
E. S. Gaffney 1975Skull roof: Temporal emargination better developed than in most Chelonioidea ex- cept Desmatochelys and Corsochelys; parietal, quadratojugal,andsquamosalexposedalongtem- poral margin, parietal-squamosal suture absent. Frontal entering orbital margin. Maxilla and quadratojugal not in contact. Parietals small in contrast to Recent Cheloniidae. Postorbital about intermediate in size between Toxochelys and Recent Cheloniidae. Cheek emargination more extensive than in other Chelonioidea. Jugal relatively small in contrast to living Cheloniidae. Nasals present. Prefrontals meeting in midline. Prefrontal-frontal suture transverse.