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Promyalina diana
Taxonomy
Promyalina diana was named by Guo (1985). Its type specimen is IVy 0142, a valve (Right valve), and it is a mold. Its type locality is Laochang, Yujia, Kayitou Fm, Fuyuan County, which is in a Griesbachian marine horizon in the Kayitou Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Promyalina diana Guo p. 130 figs. Pl 12, fig 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.
†Promyalina diana Guo 1985
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 11.4 |
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| Source: subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Eaton 1871 | |||||
Age range: Griesbachian or 251.90200 to 250.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | China (Yunnan) | Promyalina diana (type locality: 98542) |