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Oxytoma (Palmoxytoma)
Taxonomy
Palmoxytoma was named by Cox (1961) [Sepkoski's age data: J Hett J Plie-u Sepkoski's reference number: 93]. It is not extant.
It was reranked as Oxytoma (Palmoxytoma) by Cox (1961) and Arp and Seppelt (2012).
It was assigned to Pterioida by Sepkoski (2002); to Oxytoma by Cox (1961) and Arp and Seppelt (2012); and to Oxytomidae by Ros-Franch et al. (2014).
It was reranked as Oxytoma (Palmoxytoma) by Cox (1961) and Arp and Seppelt (2012).
It was assigned to Pterioida by Sepkoski (2002); to Oxytoma by Cox (1961) and Arp and Seppelt (2012); and to Oxytomidae by Ros-Franch et al. (2014).
Subtaxa
Species lacking formal opinion data
Oxytoma arizonensis, Oxytoma articostata, Oxytoma censorius, Oxytoma czekanovskii, Oxytoma dumortieri, Oxytoma expansa, Oxytoma ferrugineum, Oxytoma inaequivalis, Oxytoma intermedia, Oxytoma jacksoni, Oxytoma laevicostata, Oxytoma multistriatum, Oxytoma oppeli, Oxytoma semiradiata, Oxytoma trechmanni
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Oxytoma (Palmoxytoma) Cox |
| 1961 | Palmoxytoma Cox |
| 2002 | Palmoxytoma Sepkoski |
| 2012 | Oxytoma (Palmoxytoma) Arp and Seppelt p. 46 |
| 2014 | Palmoxytoma Ros-Franch et al. |
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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.
Subg. †Oxytoma (Palmoxytoma) Cox 1961
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†Oxytoma (Palmoxytoma) cygnipes Young and Bird 1822
†Oxytoma (Palmoxytoma) longicostata Stutchbury 1839
†Oxytoma (Palmoxytoma) magnifica Lundgren 1881
Diagnosis
No diagnoses are available