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Peraspis

Trilobita - Asaphida - Nileidae

Taxonomy
Peraspis was named by Whittington (1965) [Sepkoski's age data: O Aren-u O Llde Sepkoski's reference number: 383]. It is not extant.

It was assigned to Ptychopariida by Sepkoski (2002); and to Nileidae by Fortey (1975) and Jell and Adrain (2003).

Synonymy list
YearName and author
1965Peraspis Whittington
1975Peraspis Fortey
2002Peraspis Sepkoski, Jr.
2003Peraspis Jell and Adrain p. 423

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
familyNileidaeAngelin 1854
genusPeraspisWhittington 1965

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