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Pseudotirolites guixianensis
Taxonomy
Pseudotirolites guixianensis was named by Zhao et al. (1978). Its type specimen is NIGP 14933 and is a 3D body fossil. Its type locality is Changling, Guixian, 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 | Pseudotirolites guixianensis Zhao et al. p. 127 figs. Pl 17, fig 4; pl 18, figs 3,8; text-fig 75a |
| 2002 | Pseudotirolites guixianensis 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.
†Pseudotirolites guixianensis Zhao et al. 1978
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 3 | 62.2 | 48.7 | 82.9 | 59.6 | 17.5 |
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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 (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guangxi) | Pseudotirolites guixianensis (type locality: 95262 121658) | |
| Changhsingian | China (Sichuan) | Pseudotirolites guixianensis (121651 121666) |