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Manchurochelys manchoukuoensis
Taxonomy
Manchurochelys manchoukuoensis was named by Endo and Shikama (1942). Its type specimen is Registration No. 3898 (former Central National Museum of Manchoukuo), a shell, and it is a 3D body fossil. Its type locality is Tsaotzushan, 21 km southwest of Yizhou, which is in a Barremian/Aptian lacustrine horizon in the Yixian Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Manchurochelys manchoukuoensis Endo and Shikama |
| 1963 | Manchurochelys manchouensis Yeh |
| 2000 | Manchurochelys manchoukuoensis Sukhanov pp. 316-318 fig. 17.9 |
| 2008 | Manchurochelys manchoukuoensis Brinkman et al. p. 54 |
| 2010 | Manchurochelys manchoukuoensis Zhou p. 58 figs. 1-4 |
| 2014 | Manchurochelys manchoukuoensis Zhou et al. |
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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.
†Manchurochelys manchoukuoensis Endo and Shikama 1942
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. -F. Zhou 2010 | A sinemydid turtle that is distinguished from Sinemys lens and S. gamera in having reduced frontals that are nearly excluded from the orbit, a cervical scute, a pygal, and eight neurals, and lacking a seventh peripheral process or spine. Distinguished from Dracochelys bicuspis by having separated prefrontals, a shallow nuchal emargination, a cervical scute, eight neurals, and a closed central plastral fontanelle. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Aptian to the top of the Early/Lower Aptian or 121.40000 to 119.57000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Barremian - Early/Lower Aptian | China (Liaoning) | Manchurochelys manchoukuoensis (type locality: 117528 137794 179655) | |
| Aptian | China (Nei Monggol) | Manchurochelys manchoukuoensis (179126) |