Plesiochelys

Plesiochelys; Temporal range: Jurassic, Kimmeridgian–Tithonian PreꞒ Ꞓ O S D C P T J K Pg N
	Holotype shell of Plesiochelys. The shell is mounted upside-down
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Pantestudines
Clade:	Testudinata
Clade:	†Thalassochelydia
Family:	†Plesiochelyidae
Genus:	†Plesiochelys; Rütimeyer, 1873
Type species
	†Plesiochelys etalloni; (Pictet & Humbert, 1857)
Other species
	†Plesiochelys bigleri ; Püntener, Anquetin & Billon-Bruyat, 2017;
Synonyms
	Synonyms of P. etalloni: Emys etalloni Pictet & Humbert, 1857; Plesiochelys solodurensis Rütimeyer, 1873; Plesiochelys sanctaeverenae Rütimeyer, 1873; Plesiochelys langii Rütimeyer, 1873;

Plesiochelys ("near turtle") is a genus of late Jurassic European and Asian turtle. The type species is Plesiochelys etalloni.^[1]

Fossil records have discovered Plesiochelys bigleri and Plesiochelys etalloni from the Kimmeridge Clay of England and outside the Swiss and French Jura Mountains.^[3]

A recent study^[4] placed Plesiochelys as an Angolachelonia and outside Testudines.

References

^ ^a ^b ^c 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.
^ 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.
^ Anquetin, J.; Chapman, S. D. (2016). "First report of Plesiochelys etalloni and Tropidemys langii from the Late Jurassic of the UK and the palaeobiogeography of plesiochelyid turtles". Royal Society Open Science. 3 (1): e1-2. Bibcode:2016RSOS....350470A. doi:10.1098/rsos.150470. PMC 4736927. PMID 26909172.
^ 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.

Sources

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

External links

"Plesiochelys" at the Encyclopedia of Life

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[peerj-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.

[rsos-3] Anquetin, J.; Chapman, S. D. (2016). "First report of Plesiochelys etalloni and Tropidemys langii from the Late Jurassic of the UK and the palaeobiogeography of plesiochelyid turtles". Royal Society Open Science. 3 (1): e1-2. Bibcode:2016RSOS....350470A. doi:10.1098/rsos.150470. PMC 4736927. PMID 26909172.

[4] 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.

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