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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 Trinucleidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Trinucleidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Onnia Bancroft |
| 2002 | Onnia Jell and Adrain p. 414 |
| 2002 | Onnia Sepkoski |
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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