Kinosternon sonoriense longifemorale Iverson 1981:43

Holotype: USNM 21710; paratypes (7), UAZ 27987 and 27996; UF 47719-20; USNM 21708-09, and 21711 (Reynolds et al. 2007:28). UF 47720 photographed in the original description (p. 44, Fig. 27).