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Ankhelasma
Taxonomy
Ankhelasma was named by Sando (1961) [Sepkoski's age data: C Vise-l C Vise-u]. It is not extant.
It was assigned to Zaphrentoidinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Zaphrentoidinae by Hill (1981); and to Rugosa by Sepkoski (2002).
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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.
G. †Ankhelasma Sando 1961
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Diagnosis
No diagnoses are available