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Ocadia perplexa
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
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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
| Reference | Diagnosis | |
|---|---|---|
| C. W. Gilmore 1931 | Shell 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
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Carroll 1988, Hendy et al. 2009 | |||||
Age range: Serravallian or 13.82000 to 11.62000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serravallian | China (Nei Mongol) | Ocadia perplexa (type locality: 28782) |