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Chengyuchelys latimarginalis
Taxonomy
Plesiochelys latimarginalis was named by Young and Chow (1953). Its type specimen is IVPP V705, a shell, and it is a 3D body fossil. Its type locality is Tatienwan building foundation, Fotoukwan, which is in a Jurassic terrestrial horizon in China.
It was recombined as Xinjiangchelys latimarginalis by Sukhanov (2000), Pérez-García et al. (2008), Danilov and Parham (2008), Pérez-García and Ortega (2011), Brinkman et al. (2013), Pérez-García and Murelaga (2013), Perea et al. (2014) and Puntener et al. (2014); it was recombined as Chengyuchelys latimarginalis by Tong et al. (2012) and Chou et al. (2023).
It was recombined as Xinjiangchelys latimarginalis by Sukhanov (2000), Pérez-García et al. (2008), Danilov and Parham (2008), Pérez-García and Ortega (2011), Brinkman et al. (2013), Pérez-García and Murelaga (2013), Perea et al. (2014) and Puntener et al. (2014); it was recombined as Chengyuchelys latimarginalis by Tong et al. (2012) and Chou et al. (2023).
Synonymy list
Year | Name and author |
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1953 | Plesiochelys latimarginalis Young and Chow figs. Plates 2-3 |
1963 | Plesiochelys latimarginalis Yeh |
2000 | Xinjiangchelys latimarginalis Sukhanov p. 313 |
2004 | Plesiochelys latimarginalis Matzke et al. p. 1295 |
2008 | Plesiochelys latimarginalis Brinkman et al. p. 40 |
2008 | Xinjiangchelys latimarginalis Danilov and Parham |
2008 | Xinjiangchelys latimarginalis Pérez-García et al. |
2011 | Xinjiangchelys latimarginalis Pérez-García and Ortega |
2012 | Chengyuchelys latimarginalis Tong et al. |
2013 | Xinjiangchelys latimarginalis Brinkman et al. |
2013 | Xinjiangchelys latimarginalis Pérez-García and Murelaga |
2014 | Xinjiangchelys latimarginalis Perea et al. |
2014 | Xinjiangchelys latimarginalis Puntener et al. |
2023 | Chengyuchelys latimarginalis Chou 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.
†Chengyuchelys latimarginalis Young and Chow 1953
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Diagnosis
Reference | Diagnosis | |
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C. Chou et al. 2023 | A species of Chengyuchelys with an almost rounded carapace and narrow and deep cervical notch; it differs from C. baenoides in the first vertebral scute as wide as the nuchal and ovalshaped entoplastron; it differs from C. radiplicatus in the first peripheral contacting the first costal, in the absence of strong radiating ridges on the carapace surface and the scute sulci on the carapace made of a simple groove |
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Hendy et al. 2009, Carroll 1988 |
Age range: base of the Callovian to the top of the Late/Upper Jurassic or 166.10000 to 145.00000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Callovian | Kyrgyzstan (Jalal-Abad) | Plesiochelys latimarginalis (46545) Xinjiangchelys latimarginalis (37596 37597) | |
Late/Upper Jurassic | China (Sichuan) | Plesiochelys latimarginalis (type locality: 131872) | |
Late/Upper Jurassic | China (Chongqing) | Chengyuchelys latimarginalis (230155) |