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Ocadia perplexa

Osteichthyes - 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.

Sister species lacking formal opinion data
Entered
by M. Carrano on 2010-11-11; modified by P. Holroyd on 2018-04-15

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

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
ArchelosauriaCrawford 2015
Pantestudines
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
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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.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwatersubo
Locomotion: actively mobilec
Life habit: aquaticsubo
Diet: omnivoresubo
Reproduction: oviparoussubo
Created: 2005-08-26 14:49:00
Modified: 2005-08-26 16:49:00
Source: subo = suborder, c = class, subp = subphylum
References: Kiessling 2004, Hendy et al. 2009, Uetz 2005, Carroll 1988

Age range: Serravallian or 13.82000 to 11.63000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Serravallian13.82 - 11.63China (Nei Mongol) Ocadia perplexa (type locality: 28782)