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Cylichna (Cylichnopsis)
Taxonomy
Cylichnopsis was named by Cossmann (1904) [Sepkoski's age data: K Camp T Eo-m Sepkoski's reference number: 909]. It is not extant.
It was reranked as Cylichna (Cylichnopsis) by Vokes (1939).
It was assigned to Cylichna by Vokes (1939); and to Cephalaspida by Sepkoski (2002).
It was reranked as Cylichna (Cylichnopsis) by Vokes (1939).
It was assigned to Cylichna by Vokes (1939); and to Cephalaspida by Sepkoski (2002).
Subtaxa
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.
Subg. †Cylichna (Cylichnopsis) Cossmann 1904
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†Cylichna (Cylichnopsis) compara Vokes 1939
Diagnosis
No diagnoses are available