Order Testudines Wagler, 1830 - turtles
   Suborder Cryptodira Cope, 1868
     Superfamily Trionychoidea Gray, 1825
       Family Trionychidae Gray, 1825 - softshell turtles
         Subfamily Cyclanorbinae Lydekker, 1889
           1 Genus Cyclanorbis Gray, 1854
           2 Genus Cycloderma Peters, 1854
           3 Genus Lissemys Smith, 1931