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Onychotreta
Taxonomy
Onychotreta was named by Ulrich and Cooper (1936). Its type is Onychotreta mesleri.
It was assigned to Triplesiidae by Mitchell (1977), Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was assigned to Triplesiidae by Mitchell (1977), Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species
O. mesleri (type species)
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Onychotreta Ulrich and Cooper |
| 1977 | Onychotreta Mitchell |
| 2000 | Onychotreta Williams et al. p. 685 |
| 2002 | Eilotreta Sepkoski |
| 2002 | Lissotreta Sepkoski |
| 2002 | Onychotreta 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.
G. †Onychotreta Ulrich and Cooper 1936
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†Onychotreta mesleri Ulrich and Cooper 1936
Invalid names: Eilotreta [synonym], Lissotreta [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cautleyan | United Kingdom | O. sp. (163263) | |
| Wenlock | USA (Oklahoma) | O. multiplicata (26024) | |
| Wenlock | USA (Arkansas) | O. multiplicata, O. miseri, O. lenta, O. plicata, O. mesleri (26022) |