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Xenodiscus chaotianensis
Taxonomy
Xenodiscus chaotianensis was named by Zhao et al. (1978). Its type specimen is NIGP 14833 and is a 3D body fossil. Its type locality is Mingyuexia, north limb of anticline, Chaotian Mb, Chaotian, Guangyuan County, which is in a Changhsingian deep-water mudstone in the Dalong Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Xenodiscus chaotianensis Zhao et al. p. 106 figs. Pl 11, fig 1; text-fig 57 |
| 2002 | Xenodiscus chaotianensis Leonova |
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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.
†Xenodiscus chaotianensis Zhao et al. 1978
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell diameter | 1 | 36.9 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Sichuan) | Xenodiscus chaotianensis (type locality: 98048) |