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Derbyia arellanoi
Taxonomy
Derbyia arellanoi was named by Cooper (1953). Its type specimen is USNM 115473, a shell (Articulated shell), and it is a 3D body fossil. Its type locality is USNM806n, Cerros de los Monos, El Antimonio, Sonora, which is in a Wordian marine limestone in the Antimonio Formation of Mexico.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Derbyia arellanoi Cooper p. 22 figs. Pl 5, figs 1-12 |
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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 arellanoi Cooper 1953
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 27.0 |
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||