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Calculites

Trilobita - Ptychopariida - Catillicephalidae

Taxonomy
Calculites was named by Fortey (1983) [Sepkoski's age data: Cm Trep-u O Trem-l Sepkoski's reference number: 795]. It is not extant. Its type is Calculites microps.

It was assigned to Ptychopariida by Sepkoski (2002); and to Catillicephalidae by Fortey (1983) and Jell and Adrain (2003).

Synonyms
Synonymy list
YearName and author
1977Phanulithus Wind and Wise
1983Calculites Fortey
2002Calculites Sepkoski, Jr.
2003Calculites Jell and Adrain p. 353

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyCatillicephalidaeRaymond 1938
genusCalculites

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