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Prismenaspis
Taxonomy
Prismenaspis was named by Henderson (1976) [Sepkoski's age data: Cm Dres Sepkoski's reference number: 459]. It is not extant.
It was assigned to Elviniidae by Ergaliev (1980); and to Ptychopariida by Sepkoski (2002).
It was assigned to Elviniidae by Ergaliev (1980); and to Ptychopariida by Sepkoski (2002).
Species
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. †Prismenaspis Henderson 1976
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†Prismenaspis magnus Ergaliev 1980
†Prismenaspis trisulcatus Ergaliev 1980
Diagnosis
No diagnoses are available