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