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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pachydiscoceras changhsingense
Taxonomy
Pachydiscoceras changhsingense was named by Chao and Liang (1966).
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Pachydiscoceras changhsingense Chao and Liang figs. Pl 4, figs 3,4 |
| 1978 | Pachydiscoceras changhsingense Zhao et al. p. 136 figs. Pl 21, figs 1-3; pl 22, figs 4-6; text-fig 85b |
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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.
†Pachydiscoceras changhsingense Chao and Liang 1966
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 22.8 | 21.6 | 24.0 | 22.8 | 1.70 | |
| shell diameter | 2 | 64.8 | 56.0 | 74.9 | 65.5 | 13.4 | |
| shell inflation | 2 | 23.9 | 19.5 | 29.4 | 24.4 | 7.00 |
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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 (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guizhou) | Pachydiscoceras changhsingense (98030) | |
| Changhsingian | China (Zhejiang) | Pachydiscoceras changhsingense (121649) |