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Onnia

Trilobita - Asaphida - Trinucleidae

Taxonomy
Onnia was named by Bancroft (1933) [Sepkoski's age data: O Llde-l O Ashg-m Sepkoski's reference number: 1075].

It was assigned to Asaphida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2003).

Species
Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1933Onnia Bancroft
2002Onnia Sepkoski, Jr.
2003Onnia Jell and Adrain p. 414

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
familyTrinucleidaeHawle and Corda 1847
genusOnniaBancroft 1933

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