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Onnia
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).
It was assigned to Asaphida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2003).
Species lacking formal opinion data
Sister genera
Anebolithus, Bergamia, Bettonolithus, Botrioides, Broeggerolithus, Cryptolithoides, Cryptolithus, Deanaspis, Declivolithus, Decordinaspis, Eotrinucleus, Famatinolithus, Furcalithus, Guandacolithus, Gymnostomix, Hanchungolithus (syn. Ichangolithus), Incaia, Lloydolithus, Lordshillia, Marekolithus, Marrolithoides, Marrolithus, Myinda, Myindella, Myttonia, Nankinolithus, Ningkianolithus, Novaspis, Parkesolithus, Protolloydolithus, Reedolithus, Reuscholithus, Salterolithus, Stapeleyella, Tretaspis, Trinucleus
Download authority and opinion data - View classification of included taxa
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Onnia Bancroft |
| 2002 | Onnia Sepkoski, Jr. |
| 2003 | Onnia Jell and Adrain p. 414 |
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