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Derbyia regis
Taxonomy
Derbyia regis was named by Grant (1995). Its type specimen is USNM 473691, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM9262, Nisitsa, Hydra Island, which is in a Wuchiapingian marine packstone/wackestone in the Episkopi Formation of Greece.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Derbyia regis Grant p. 659 figs. 5.1-5.12 |
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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 regis Grant 1995
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 11.7 | 6.90 | 24.0 | 9.50 | 6.94 |
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Wuchiapingian or 259.90000 to 254.17000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Greece | Derbyia regis (42460 type locality: 42461 42465 64172 64173) |