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Ptychometopus

Trilobita - Phacopida - Pharostomatidae

Taxonomy
Ptychometopus was named by Schmidt (1894) [Sepkoski's age data: O l]. It is not extant.

It was assigned to Pharostomatidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).

Synonymy list
YearName and author
1894Ptychometopus Schmidt
2002Ptychometopus Jell and Adrain p. 436
2002Ptychometopus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
Life
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyPharostomatidaeHupé 1953
genusPtychometopusSchmidt 1894

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. †Ptychometopus Schmidt 1894
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Diagnosis
No diagnoses are available