Order Testudines Wagler, 1830 - turtles
Count: [*†*] 14f;93g;327s;171ss; ‡1g;8s;3ss
   Suborder Cryptodira Cope, 1868
  Count: [*†*] 11f;73g;245s;152ss; ‡1g;8s;2ss
     Superfamily Trionychoidea Gray, 1825
    Count: [*] 2f;14g;32s;13ss
       Family Trionychidae Gray, 1825 - softshell turtles
      Count: [*] 13g;31s;13ss
         Subfamily Trionychinae Gray, 1825
        Count: [*] 10g;24s;10ss
           Genus Apalone Rafinesque, 1832
          Count: [*] 3s;8ss
             Apalone mutica (LeSueur, 1827) - smooth softshell turtle
            Count: [*] 2ss
               Apalone mutica calvata (Webb, 1959) - Gulf Coast smooth softshell turtle
              Count: -