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Calvinella

Trilobita - Asaphida - Saukiidae

Taxonomy
Calvinella was named by Walcott (1914) [Sepkoski's age data: Cm Fran Cm Trep-u Sepkoski's reference number: 379]. It is not extant.

It was assigned to Asaphida by Sepkoski (2002); and to Saukiidae by Harrington et al. (1959) and Jell and Adrain (2003).

Species
Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1914Calvinella Walcott
1959Calvinella Harrington et al. p. 323
2002Calvinella Sepkoski, Jr.
2003Calvinella Jell and Adrain p. 354

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
familySaukiidaeUlrich and Resser 1930
genusCalvinellaWalcott 1914

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