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Morphology Ecology and taphonomy   Age range and collections

Prismenaspis

Trilobita - Ptychopariida - Elviniidae

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).

Synonymy list
YearName and author
1976Prismenaspis Henderson
1980Prismenaspis Ergaliev
2002Prismenaspis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyElviniidaeKobayashi 1935
genusPrismenaspisHenderson 1976

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.

Diagnosis
No diagnoses are available