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Craspedochelys
Taxonomy
Craspedochelys was named by Rütimeyer (1873).
It was synonymized subjectively with Plesiochelys by Gaffney (1975).
It was assigned to Plesiochelyidae by Bräm (1965), Carroll (1988), Lapparent de Broin et al. (1996), Anquetin et al. (2014), Perez-Garcia et al. (2017), Anquetin et al. (2017), Madzia et al. (2021).
It was synonymized subjectively with Plesiochelys by Gaffney (1975).
It was assigned to Plesiochelyidae by Bräm (1965), Carroll (1988), Lapparent de Broin et al. (1996), Anquetin et al. (2014), Perez-Garcia et al. (2017), Anquetin et al. (2017), Madzia et al. (2021).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1870 | Emys dollfusii Lennier |
| 1873 | Craspedochelys Rütimeyer p. 86 |
| 1937 | Plesiochelys normandica Bergounioux |
| 1965 | Craspedochelys Bräm p. 135 |
| 1988 | Craspedochelys Carroll |
| 1996 | Thalassemys dollfusii Lapparent de Broin et al. p. 536 |
| 1996 | Craspedochelys Lapparent de Broin et al. p. 557 |
| 2014 | Craspedochelys Anquetin et al. |
| 2017 | Craspedochelys Anquetin et al. |
| 2017 | Craspedochelys Perez-Garcia et al. |
| 2021 | Craspedochelys Madzia 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.
G. †Craspedochelys Rütimeyer 1873
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†Craspedochelys jaccardi Pictet 1860
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Invalid names: Plesiochelys choffati Sauvage 1898 [synonym]
†Craspedochelys passmorei Andrews 1921
†Craspedochelys picteti Rütimeyer 1873
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Invalid names: Craspedochelys crassa Rütimeyer 1873 [synonym]
†Craspedochelys renzi Cadena et al. 2025
Invalid names: Emys dollfusii Lennier 1870 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Anquetin et al. 2017 | Craspedochelys can be diagnosed as a “plesiochelyid” by the full list of shell characters provided for that taxon above: presence of a high dorsum sellae that does not overhang the sellae turcica, the placement of the foramina anterius canalis carotici cerebralis more anterior than the level of the dorsum sellae, the exclusion of the epipterygoid from the anterior margin of the foramen nervi trigemini (also in Jurassichelon oleronensis), a relatively large size (carapace length 400 to 550 mm), the lack of carapacial fontanelles in adults, an osseous bridge, and, at most, a central plastral fontanelle. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Oxfordian to the top of the Hauterivian or 161.50000 to 125.77000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxfordian | Portugal (Porto de Mos) | C. sp. (196750) | |
| Early/Lower Kimmeridgian | France (Haute-Normandie) | Emys dollfusii, Plesiochelys normandica (60398) | |
| Late/Upper Kimmeridgian | France (Lot) | C. 'squat form' (138014 138018) C. jaccardi (138016) | |
| Late/Upper Kimmeridgian | Switzerland (Solothurn) | C. picteti, C. crassa (137749) Plesiochelys jaccardi (90875) | |
| Late/Upper Kimmeridgian | Poland (Ilza) | Tretosternon punctatum (123852) | |
| Late/Upper Kimmeridgian | United Kingdom (England) | Tholemys passmorei (138007) | |
| Late/Upper Kimmeridgian | Portugal (Centro) | C. jaccardi (138023) | |
| Early/Lower Tithonian | Switzerland (Canton de Neuchâtel) | Emys jaccardi (138021) | |
| Tithonian | France (Lot) | C. jaccardi (138015) | |
| Tithonian | Portugal (Lisbon) | Plesiochelys choffati (189389) | |
| Hauterivian | Colombia (Guajira) | C. renzi (242132) |