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Pernodoceras guangyuanense
Taxonomy
Pernodoceras guangyuanense was named by Zhao et al. (1978). Its type specimen is NIGP 34338 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.
It was recombined as Pseudotirolites guangyuanensis by Leonova (2002).
It was recombined as Pseudotirolites guangyuanensis by Leonova (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Pernodoceras guangyuanense Zhao et al. p. 141 figs. Pl 24, figs 7,8; text-fig 90a |
| 2002 | Pseudotirolites guangyuanensis 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.
†Pernodoceras guangyuanense Zhao et al. 1978
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 17.9 | |||||
| shell diameter | 1 | 57.8 | |||||
| shell inflation | 1 | 28.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
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) | Pernodoceras guangyuanense (type locality: 98048) |