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Spencia plena
Taxonomy
Spencia plena was named by Resser (1939). It is not extant. Its type specimen is USNM 96536, a cephalon/head (cranidium).
Synonymy list
Year | Name and author |
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1939 | Spencia plena Resser p. 23 figs. Pl. 6, figs. 19-21 |
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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.
†Spencia plena Resser 1939
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Diagnosis
No diagnoses are available