Cyclanorbinae

Cyclanorbinae, also known as the flapshell turtles, is a subfamily of softshell turtles in the family Trionychidae. The subfamily is native to Africa and Asia.

Cyclanorbinae Temporal range: Late Cretaceous to recent, 70.6–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Indian flapshell turtle Lissemys punctata
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Trionychidae
Subfamily:	Cyclanorbinae Lydekker, 1889

Genera

The subfamily Cyclanorbinae contains the following three extant genera.[1]

• Cyclanorbis Gray, 1845
• Cycloderma W. Peters, 1854
• Lissemys M.A. Smith, 1931

One extinct prehistoric genus is also known from fossil remains: Nemegtemys from the Cretaceous of Mongolia.[2]

Geographic range

Species in the genera Cyclanorbis and Cycloderma are found in Africa; species in the genus Lissemys are found in Asia.[3]

References

1. Turtle Taxonomy Working Group (Rhodin, Anders G.J.; Parham, James F.; van Dijk, Peter Paul; Iverson, John B.) (2009)."Turtles of the World: Annotated Checklist of Taxonomy and Synonymy, 2009 Update". Archived 2016-04-06 at the Wayback Machine Chelonian Research Monographs (5): 000.39-000.84. (Cyclanorbinae, pp. 000.55-000.56).
2. "Fossilworks: Nemegtemys". fossilworks.org. Retrieved 2019-04-26.
3. "Cyclanorbinae". The Reptile Database. www.reptile-database.org.

Further reading

• Lydekker R (1889). Catalogue of the Fossil Reptilia and Amphibia in the British Museum (Natural History). Part III. Containing the Order Chelonia. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xviii + 239 pp. (Cyclanorbinae, new subfamily, p. x).