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Cymatelasma
Taxonomy
Cymatelasma was named by Hill and Butler (1936) [Sepkoski's age data: S Ldov-u S Ludl]. It is not extant.
It was assigned to Ptenophyllidae by Hill (1956); to Actinocystinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Ptenophyllidae by Hill (1956); to Actinocystinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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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. †Cymatelasma Hill and Butler 1936
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Diagnosis
No diagnoses are available