Cyclanorbinae

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

Taxonomy
Morphological evidence supports Cyclanorbinae being the sister group to the Plastomeninae, an extinct subfamily of softshell turtles that inhabited North America from the Cretaceous to the Eocene.

Genera
The subfamily Cyclanorbinae contains the following three extant genera.


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

One extinct prehistoric genus is also known from fossil remains: Nemegtemys Danilov et al., 2014, from the Cretaceous of Mongolia.

Geographic range
Species in the genera Cyclanorbis and Cycloderma are found in Africa; species in the genus Lissemys are found in Asia.