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Tapashanites changxingensis
Taxonomy
Tapashanites changxingensis was named by Zhao et al. (1978). Its type specimen is NIGP 34315 and is a 3D body fossil. Its type locality is Meishan Section, Baoqing Mb Bed 2, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Tapashanites changxingensis Zhao et al. |
| 1999 | Tapashanites changxingensis Fujikawa and Ishibashi p. 104 figs. Pl 3, fig 18 |
| 2002 | Tapashanites changxingensis 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.
†Tapashanites changxingensis Zhao et al. 1978
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 10.3 | 9.20 | 11.6 | 10.4 | 1.70 | |
| shell diameter | 2 | 24.6 | 19.9 | 30.3 | 25.1 | 7.35 | |
| shell inflation | 2 | 8.27 | 5.60 | 12.2 | 8.90 | 4.67 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
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 (Zhejiang) | Tapashanites changxingensis (type locality: 121646) | |
| Changhsingian | Thailand | Tapashanites changxingensis (97002) |