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Derbyoides marathonensis
Taxonomy
Derbyoides marathonensis was named by Cooper and Grant (1974). Its type specimen is USNM 150425a, a valve (Ventral valve), and it is not a trace fossil.
Synonymy list
Year | Name and author |
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1974 | Derbyoides marathonensis Cooper and Grant p. 284 figs. Pl 35, figs 19-26 |
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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.
†Derbyoides marathonensis Cooper and Grant 1974
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Diagnosis
No diagnoses are available