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Derbyia pannuciella
Taxonomy
Derbyia pannuciella was named by Xu and Grant (1994). Its type specimen is USNM 455991 and is a 3D body fossil. Its type locality is Huangzhishan section, undiv Changxing Fm, Xuzhou City, which is in a Changhsingian marine limestone in the Changxing Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Derbyia pannuciella Xu and Grant p. 24 figs. 11.1-11.5 |
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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.
†Derbyia pannuciella Xu and Grant 1994
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 22.2 |
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Zhejiang) | Derbyia pannuciella (type locality: 50028) |