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Ctenochelys
Reptilia - Testudines - Ctenochelyidae
Taxonomy
Ctenochelys was named by Zangerl (1953) [Sepkoski's age data: K Camp-l K Camp-u Sepkoski's reference number: 987]. It is the type genus of Ctenochelyidae.
It was assigned to Lophocheliinae by Weems (1988); to Toxochelyidae by Carroll (1988); to Chelonia by Sepkoski (2002); to Lophochelyinae by Zangerl (1953), Thurmond and Jones (1981) and Karl and Nyhuis (2012); to Cheloniidae by Hirayama (1995), Joyce et al. (2004), Matzke (2007), Brinkman et al. (2009) and de Lapparent de Broin et al. (2014); and to Ctenochelyidae by Gentry (2018).
It was assigned to Lophocheliinae by Weems (1988); to Toxochelyidae by Carroll (1988); to Chelonia by Sepkoski (2002); to Lophochelyinae by Zangerl (1953), Thurmond and Jones (1981) and Karl and Nyhuis (2012); to Cheloniidae by Hirayama (1995), Joyce et al. (2004), Matzke (2007), Brinkman et al. (2009) and de Lapparent de Broin et al. (2014); and to Ctenochelyidae by Gentry (2018).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Ctenochelys Zangerl p. 227 |
| 1981 | Ctenochelys Thurmond and Jones p. 131 |
| 1988 | Ctenochelys Carroll |
| 1988 | Ctenochelys Weems p. 141 figs. Table 2 |
| 1995 | Ctenochelys Hirayama p. 282 |
| 2002 | Ctenochelys Sepkoski, Jr. |
| 2004 | Ctenochelys Joyce et al. |
| 2007 | Ctenochelys Matzke |
| 2009 | Ctenochelys Brinkman et al. |
| 2012 | Ctenochelys Karl and Nyhuis |
| 2014 | Ctenochelys de Lapparent de Broin et al. |
| 2018 | Ctenochelys 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Carroll 1988, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Santonian to the top of the Selandian or 85.80000 to 59.20000 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian - Santonian | USA (Kansas) | Toxochelys bauri (38721) | |
| Late/Upper Coniacian - Early/Lower Santonian | USA (Kansas) | C. stenoporus (123574) | |
| Santonian | USA (Alabama) | C. tenuitesta, C. acris (81927) | |
| Santonian - Maastrichtian | USA (Alabama) | C. tenuitesta (81972) | |
| Late/Upper Santonian - Early/Lower Campanian | Germany | C. stenoporus (138296) | |
| Early/Lower Campanian | USA (Alabama) | C. acris (181623 181624) | |
| Early/Lower Campanian - Middle Campanian | USA (Alabama) | C. acris (80890) | |
| Selandian | Denmark (Fyn) | C. stenoporus (196766) |