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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 synonymized subjectively with Theodenisia by Jell and Adrain (2002).

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

Species
C. microps (type species), C. stevensi

Synonymy list
YearName and author
1983Calculites Fortey
2002Calculites Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
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.

G. †Calculites Fortey 1983
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Calculites microps Rasetti 1944
Calculites stevensi Fortey 1983
Diagnosis
No diagnoses are available