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Derbyia filosa
Taxonomy
Derbyia filosa was named by Cooper and Grant (1974). Its type specimen is USNM 153290c, a valve (Ventral valve), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1974 | Derbyia filosa Cooper and Grant pp. 300-302 figs. Pl 82, figs 1,2,11-36 |
1981 | Derbyia filosa Hoover p. 45 figs. Pl 2, figs 1-6 |
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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 filosa Cooper and Grant 1974
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Diagnosis
No diagnoses are available