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Oneotoceras
Taxonomy
Oneotoceras was named by Ulrich (1926) [Sepkoski's age data: O Trem-u Sepkoski's reference number: 524]. Its type is Cyrtoceras loculosum.
It was assigned to Cyrtendoceratidae by Ulrich et al. (1943); to Ellesmeroceratidae by Teichert et al. (1964) and Crick (1981); and to Ellesmerocerida by Sepkoski (2002).
It was assigned to Cyrtendoceratidae by Ulrich et al. (1943); to Ellesmeroceratidae by Teichert et al. (1964) and Crick (1981); and to Ellesmerocerida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Oneotoceras Ulrich p. 90 |
| 1943 | Oneotoceras Ulrich et al. |
| 1964 | Oneotoceras Teichert et al. p. 144 |
| 1981 | Oneotoceras Crick p. 227 |
| 2002 | Oneotoceras 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. †Oneotoceras Ulrich 1926
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†Oneotoceras curvatum Ulrich et al. 1943
†Oneotoceras divaricatum Ulrich et al. 1943
†Oneotoceras extremum Ulrich et al. 1943
†Oneotoceras husseyi Ulrich et al. 1943
†Oneotoceras impressum Ulrich et al. 1943
†Oneotoceras loculosum Hall 1861
†Oneotoceras madisonense Ulrich et al. 1943
†Oneotoceras magnum Ulrich et al. 1943
†Oneotoceras percurvatum Ulrich et al. 1943
†Oneotoceras wisconsinense Ulrich et al. 1943
Diagnosis
No diagnoses are available