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Morphology Ecology and taphonomy   Age range and collections

Onymagnostus

Trilobita - Agnostida - Ptychagnostidae

Taxonomy
Onymagnostus was named by Opik (1979) [Sepkoski's age data: Cm mMid-u Cm uMid-u]. It is not extant.

It was assigned to Ptychagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).

Synonymy list
YearName and author
1979Onymagnostus Opik
1997Onymagnostus Whittington et al. p. 352
2002Onymagnostus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familyPtychagnostidaeKobayashi 1939
genusOnymagnostusOpik 1979

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