Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Ocadia perplexa

Reptilia - Testudines - Geoemydidae

Taxonomy
Ocadia perplexa was named by Gilmore (1931). Its type specimen is AMNH 6699, a set of postcrania (posterior half of carapace and plastron), and it is a 3D body fossil. Its type locality is Tairum Nor (AMNH and SSPE), which is in a Serravallian terrestrial sandstone/mudstone in the Tunggur Formation of China.

Synonymy list
YearName and author
1931Ocadia perplexa Gilmore p. 227 figs. 6-8; Pl. 3
1963Ocadia perplexa Yeh

Is something missing? Join the Paleobiology Database and enter the data

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
—Pantestudinoidea
superfamilyTestudinoidea
familyGeoemydidaeTheobald 1868
genusOcadiaGray 1870
speciesperplexa

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.

†Ocadia perplexa Gilmore 1931
show all | hide all
Diagnosis
ReferenceDiagnosis
C. W. Gilmore 1931Shell emydid; posterior neurals short, very broad, hexagonal; vertebrals broad, axillary buttress articulating strongly with fifth and sixth costal bones; marginal sulcus well below costo-peripheral suture; all bones of carapace thin; plastron deeply notched on posterior end.