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Pernodoceras robustum
Taxonomy
Pernodoceras robustum was named by Zhao and Liang (1974). Its type specimen is NIGP 14989 and is a 3D body fossil. Its type locality is Lijiachong, Lindai, Bed 2, Qingzhen County, which is in a Changhsingian marine limestone in the Changxing Formation of China.
It was recombined as Pseudotirolites robustus by Leonova (2002).
It was recombined as Pseudotirolites robustus by Leonova (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Pernodoceras robustum Zhao and Liang p. 307 figs. Pl 160, figs 10,11 |
| 1978 | Pernodoceras robustum Zhao et al. p. 139 figs. Pl 23, figs 1-3; text-fig 89a |
| 2002 | Pseudotirolites robustus 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 robustum Zhao and Liang 1974
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 30.1 | |||||
| shell diameter | 1 | 81.5 | |||||
| shell inflation | 1 | 31.2 |
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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 (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guizhou) | Pernodoceras robustum (type locality: 98030 149288) |