Plesiochelys

Plesiochelys is a genus of late Jurassic European and Asian turtle. The type species is Plesiochelys etalloni.[1]

Plesiochelys
Temporal range: Jurassic, Kimmeridgian–Tithonian[1]
Holotype shell of Plesiochelys. The shell is mounted upside-down
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Family: †Plesiochelyidae
Genus: †Plesiochelys
Rütimeyer, 1873
Type species
†Plesiochelys etalloni
(Pictet & Humbert, 1857)
Other species
  • †Plesiochelys bigleri
    Püntener, Anquetin & Billon-Bruyat, 2017[2]
Synonyms[1]

Synonyms of P. etalloni:

  • Emys etalloni Pictet & Humbert, 1857
  • Plesiochelys solodurensis Rütimeyer, 1873
  • Plesiochelys sanctaeverenae Rütimeyer, 1873
  • Plesiochelys langii Rütimeyer, 1873

A recent study[3] placed Plesiochelys as an Angolachelonia and outside Testudines.

References
  1. Anquetin, J. R. M.; Deschamps, S.; Claude, J. (2014). "The rediscovery and redescription of the holotype of the Late Jurassic turtle Plesiochelys etalloni". PeerJ. 2: e258. doi:10.7717/peerj.258. PMC 3932733. PMID 24688842.
  2. Christian Püntener; Jérémy Anquetin; Jean-Paul Billon-Bruyat (2017). "The comparative osteology of Plesiochelys bigleri n. sp., a new coastal marine turtle from the Late Jurassic of Porrentruy (Switzerland)". PeerJ. 5: e3482. doi:10.7717/peerj.3482. PMC 5493033. PMID 28674653.
  3. Evers, S. W., & Benson, R. B. (2019). A new phylogenetic hypothesis of turtles with implications for the timing and number of evolutionary transitions to marine lifestyles in the group. Palaeontology, 62(1), 93-134.
Fossil of Plesiochelys

Sources
  • Gaffney, Eugene S. "A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum Novitates; no. 2574." (1975).


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