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Perigeyerella tricosa
Taxonomy
Perigeyerella tricosa was named by Grant (1976). Its type specimen is USNM 211868, a valve (Ventral valve), and it is not a trace fossil.
Synonymy list
Year | Name and author |
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1976 | Perigeyerella tricosa Grant pp. 63-64 figs. Pl 11, figs 1-30 |
2007 | Perigeyerella tricosa Shen and Shi p. 27 figs. Pl 9, figs 12-19 |
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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.
†Perigeyerella tricosa Grant 1976
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Diagnosis
No diagnoses are available