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Thomastus

Trilobita - Corynexochida - Styginidae

Taxonomy
Thomastus was named by Opik (1953) [Sepkoski's age data: S Ldov]. It is not extant.

It was assigned to Corynexochida by Sepkoski (2002); and to Styginidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1953Thomastus Opik
2002Thomastus Sepkoski, Jr.
2003Thomastus Jell and Adrain p. 453

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderCorynexochidaKobayashi 1935
familyStyginidaeVogdes 1890
genusThomastusOpik 1953

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