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Axestemys
Taxonomy
Axestemys was named by Hay (1899). Its type is Axestus byssinus.
It was reranked as Rafetus (Axestemys) by Chkhikvadze (2000).
It was assigned to Trionychidae by Hay (1899), Hay (1902), Hay (1908), Hay (1930), Hutchison (1992); to Rafetus by Chkhikvadze (2000); to Trionychidae by Lichtig and Lucas (2015); to Pantrionychidae by Vitek and Joyce (2015), Georgalis and Joyce (2017); and to Trionychinae by Hutchison and Holroyd (2003), Vitek (2012), Joyce et al. (2019), Perez-Garcia and Smith (2021).
It was reranked as Rafetus (Axestemys) by Chkhikvadze (2000).
It was assigned to Trionychidae by Hay (1899), Hay (1902), Hay (1908), Hay (1930), Hutchison (1992); to Rafetus by Chkhikvadze (2000); to Trionychidae by Lichtig and Lucas (2015); to Pantrionychidae by Vitek and Joyce (2015), Georgalis and Joyce (2017); and to Trionychinae by Hutchison and Holroyd (2003), Vitek (2012), Joyce et al. (2019), Perez-Garcia and Smith (2021).
Species
A. byssina, A. byssinus (syn. Eugenechelys robertemryi, Temnotrionyx manducans), A. cerevisia, A. erquelinnensis, A. infernalis, A. montinsana, A. quinni, A. splendidus (syn. Aspideretes granifer, Aspideretes planus), A. vittata (syn. Trionyx levalensis, Eurycephalochelys fowleri), Rafetus (Axestemys) exquisitus, Rafetus (Axestemys) nelsoni
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Axestus Cope p. 462 |
| 1884 | Axestus Cope |
| 1899 | Axestemys Hay p. 348 |
| 1902 | Axestemys Hay p. 455 |
| 1908 | Axestemys Hay p. 508 |
| 1930 | Axestemys Hay p. 110 |
| 1970 | Eurycephalochelys Moody and Walker p. 50 figs. Plate 102, Figs. 1-5 |
| 1988 | Eurycephalochelys Carroll |
| 1992 | Axestemys Hutchison |
| 2000 | Rafetus (Axestemys) Chkhikvadze |
| 2003 | Axestemys Hutchison and Holroyd |
| 2012 | Axestemys Vitek p. 4 |
| 2015 | Axestemys Lichtig and Lucas |
| 2015 | Axestemys Vitek and Joyce |
| 2017 | Axestemys Georgalis and Joyce |
| 2019 | Axestemys Joyce et al. |
| 2021 | Axestemys Perez-Garcia and Smith |
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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. †Axestemys Hay 1899
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†Axestemys byssina Cope 1872
†Axestemys byssinus Cope 1872
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Invalid names: Eugenechelys robertemryi Chkhikvadze 2008 [synonym], Temnotrionyx manducans Hay 1908 [synonym]
†Axestemys cerevisia Vitek 2012
†Axestemys erquelinnensis Perez-Garcia and Smith 2021
†Axestemys infernalis Joyce et al. 2019
†Axestemys montinsana Vitek 2012
†Axestemys quinni Schmidt 1945
†Axestemys splendidus Hay 1908
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Invalid names: Aspideretes granifer Hay 1909 [synonym], Aspideretes planus Parks 1933 [synonym]
†Axestemys vittata Pomel 1847
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Invalid names: Eurycephalochelys fowleri Moody and Walker 1970 [synonym], Trionyx levalensis Dollo 1909 [synonym]
†Rafetus (Axestemys) exquisitus Hay 1908
†Rafetus (Axestemys) nelsoni Cope 1972
Invalid names: Axestus Cope 1872 [synonym], Eurycephalochelys Moody and Walker 1970 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| N. S. Vitek 2012 | Axestemys can be diagnosed as a clade of trionychids with a carapace length 60 cm or longer. |