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Pseudostephanites
Taxonomy
Pseudostephanites was named by Zhao and Liang (1965).
It was synonymized subjectively with Tapashanites by Leonova (2002).
It was assigned to Tapashanitidae by Korn (2006).
It was synonymized subjectively with Tapashanites by Leonova (2002).
It was assigned to Tapashanitidae by Korn (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Pseudostephanites Zhao and Liang |
| 2006 | Pseudostephanites Korn |
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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.
G. †Pseudostephanites Zhao and Liang 1965
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†Pseudostephanites costatus Zhao and Liang 1965
†Pseudostephanites nodosus Zhao et al. 1978
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 13.5 | 9.00 | 18.6 | 13.8 | 3.14 | |
| shell diameter | 6 | 35.1 | 25.8 | 45.9 | 35.2 | 6.54 | |
| shell inflation | 6 | 12.8 | 8.00 | 17.9 | 13.4 | 3.18 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Zhejiang) | P. costatus, P. nodosus (94954) P. meishanensis, P. sp. (111636) P. sp. (121646) | |
| Changhsingian | China (Sichuan) | P. costatus, P. nodosus (98049 121627 149087) P. nodosus (121652 148467) P. sp. (73823 121416) | |
| Changhsingian | Iran | P. sp. (119081) | |
| Changhsingian | China (Guangxi) | P. sp. (149217) |