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Streptacis pravis
Taxonomy
Streptacis pravis was named by Pan and Erwin (2002). Its type specimen is USNM 127700, a shell, and it is not a trace fossil. Its type locality is Shizishan, ADL703, Luogu Lake, which is in a Changhsingian carbonate limestone/limestone in the Changhsing Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Streptacis pravis Pan and Erwin p. 36 figs. 18.8-18.9 |
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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.
†Streptacis pravis Pan and Erwin 2002
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 0.910 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Yunnan) | Streptacis pravis (type locality: 56943) |