Sichuanchelyidae

Sichuanchelyidae; Temporal range: Middle Jurassic–Late Paleocene PreꞒ Ꞓ O S D C P T J K Pg N
	Sichuanchelys skull in multiple views
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Pantestudines
Clade:	Testudinata
Clade:	Perichelydia
Family:	†Sichuanchelyidae
Genera
	Laurasichersis; Mongolochelys; Sichuanchelys;

Sichuanchelyidae is a family of extinct turtles in the clade Testudinata. It includes all perichelydians that are more closely related to Sichuanchelys than Meiolania, Helochelydra, or any extant turtles.^[1]

Systematics

The family Sichuanchelyidae was originally created to accommodate the Middle Jurassic Chinese turtle Sichuanchelys, and it was considered monotypic until Joyce et al. (2016) recovered the problematic Late Cretaceous turtle Mongolochelys from Mongolia as a close relative of Sichuanchelys.^[2]^[3]^[4] The late Paleocene form Laurasichersis from Europe is the youngest sichuanchelyid, showing that stem turtles in Laurasia outlived the Mesozoic.^[5]

References

^ Hans-Dieter Sues (August 6, 2019). The Rise of Reptiles. 320 Million Years of Evolution. Johns Hopkins University Press. p. 53. ISBN 9781421428680.
^ H. Tong, I. Danilov, Y. Ye, H. Ouyang, and G. Peng. 2012. Middle Jurassic turtles from the Sichuan Basin, China: a review. Geological Magazine 149(4):675-695
^ W. G. Joyce, M. Rabi, J. M. Clark and X. Xu. 2016. A toothed turtle from the Late Jurassic of China and the global biogeographic history of turtles. BMC Evolutionary Biology 16(236):1-29
^ Joyce, Walter G. (2017). "A review of the fossil record of basal Mesozoic turtles". Bulletin of the Peabody Museum of Natural History. 58 (1): 65–113. doi:10.3374/014.058.0105. S2CID 54982901. Archived from the original (PDF) on May 31, 2019. Retrieved June 6, 2019.
^ Adán Pérez-García (2020). "Surviving the Cretaceous-Paleogene mass extinction event: A terrestrial stem turtle in the Cenozoic of Laurasia". Scientific Reports. 10 (1): Article number 1489. Bibcode:2020NatSR..10.1489P. doi:10.1038/s41598-020-58511-8. PMC 6992736. PMID 32001765.

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[Sues2019-1] Hans-Dieter Sues (August 6, 2019). The Rise of Reptiles. 320 Million Years of Evolution. Johns Hopkins University Press. p. 53. ISBN 9781421428680.

[2] H. Tong, I. Danilov, Y. Ye, H. Ouyang, and G. Peng. 2012. Middle Jurassic turtles from the Sichuan Basin, China: a review. Geological Magazine 149(4):675-695

[3] W. G. Joyce, M. Rabi, J. M. Clark and X. Xu. 2016. A toothed turtle from the Late Jurassic of China and the global biogeographic history of turtles. BMC Evolutionary Biology 16(236):1-29

[Joyc17-4] Joyce, Walter G. (2017). "A review of the fossil record of basal Mesozoic turtles". Bulletin of the Peabody Museum of Natural History. 58 (1): 65–113. doi:10.3374/014.058.0105. S2CID 54982901. Archived from the original (PDF) on May 31, 2019. Retrieved June 6, 2019.

[5] Adán Pérez-García (2020). "Surviving the Cretaceous-Paleogene mass extinction event: A terrestrial stem turtle in the Cenozoic of Laurasia". Scientific Reports. 10 (1): Article number 1489. Bibcode:2020NatSR..10.1489P. doi:10.1038/s41598-020-58511-8. PMC 6992736. PMID 32001765.

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