| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Onnizetina
Taxonomy
Onnizetina is a genus. It is not extant.
It was assigned to Dalmanellinae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was assigned to Dalmanellinae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Onnizetina Williams et al. p. 785 |
| 2002 | Onnizetina 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
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Katian to the top of the Burrellian or 452.80000 to 452.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Vinice - Late/Upper Ordovician | Czech Republic | O. sp. (3863) | |
| Burrellian | Peru | O. calapujensis (167131) | |
| Katian | Iran | O. carinata (234916 234920) |