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Prionochelys
Taxonomy
Prionochelys was named by Zangerl (1953) [Sepkoski's age data: K Camp-l K Camp-u Sepkoski's reference number: 987].
It was assigned to Lophochelyinae by Zangerl (1953), Baird and Case (1966), Thurmond and Jones (1981); to Toxochelyidae by Carroll (1988); to Lophocheliinae by Weems (1988); to Chelonia by Sepkoski (2002); and to Pancheloniidae by Gentry (2018).
It was assigned to Lophochelyinae by Zangerl (1953), Baird and Case (1966), Thurmond and Jones (1981); to Toxochelyidae by Carroll (1988); to Lophocheliinae by Weems (1988); to Chelonia by Sepkoski (2002); and to Pancheloniidae by Gentry (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Prionochelys Zangerl p. 247 |
| 1966 | Prionochelys Baird and Case p. 1213 |
| 1981 | Prionochelys Thurmond and Jones p. 133 |
| 1988 | Prionochelys Carroll |
| 1988 | Prionochelys Weems p. 141 figs. Table 2 |
| 2002 | Prionochelys Sepkoski |
| 2018 | Prionochelys Gentry |
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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. †Prionochelys Zangerl 1953
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†Prionochelys matutina Zangerl 1953
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Invalid names: Prionochelys galeotergum Zangerl 1953 [synonym]
†Prionochelys nauta Zangerl 1953
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. D. Gentry 2018 | Moderately sized marine turtle similar in size to Ctenochelys stenoporus. Differentiated from Toxochelys Cope, 1873 and Thinochelys Zangerl, 1953 by the presence of keeled neurals, epineurals, and strongly serrated posterior peripherals. Diagnosed from other Cretaceous pan-cheloniids such as Ctenochelys spp. by the highly serrated lateral edges of peripherals 411 and the deeply embayed anterior nuchal emargination resulting in a more distinctly cordiform carapacial outline. Diagnosed from Peritresius spp. by the increased contact between the hyo- and hypoplastron, the relative width of the neuralia, and the presence of eight neurals and one preneural. |