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Pseudogastrioceras szechuanense
Taxonomy
Pseudogastrioceras szechuanense was named by Chao (1965). It is a 3D body fossil. Its type locality is Mingyuexia, north limb of anticline, Mingyuexia Mb, Chaotian, Guangyuan County, 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 |
|---|---|
| 1965 | Pseudogastrioceras szechuanense Chao |
| 1974 | Pseudogastrioceras szechuanense Zhao and Liang p. 304 figs. Pl 160, figs 1,2 |
| 1978 | Pseudogastrioceras szechuanense Zhao et al. p. 73 figs. Pl 9, figs 1,2; pl 10, figs 1-4; text-fig 16b |
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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.
†Pseudogastrioceras szechuanense Chao 1965
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 27.2 | 22.2 | 32.6 | 27.8 | 5.21 | |
| shell diameter | 4 | 45.3 | 38.4 | 53.4 | 45.5 | 7.12 | |
| shell inflation | 4 | 0.286 | 0.001 | 5.10 | 4.60 | 2.81 |
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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 (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Hubei) | Pseudogastrioceras szechuanense (124009) | |
| Changhsingian | Thailand | Pseudogastrioceras szechuanense (97002) | |
| Changhsingian | China (Sichuan) | Pseudogastrioceras szechuanense (121651 148465 148467) | |
| Changhsingian | China (Guangdong) | Pseudogastrioceras szechuanense (96803) | |
| Changhsingian | China (Anhui) | Pseudogastrioceras szechuanense (97298) |