Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Kinosternoidea Agassiz, 1857 Family Kinosternidae Agassiz, 1857 - mud and musk turtles Subfamily Kinosterninae Agassiz, 1857 Genus Kinosternon Spix, 1824 Kinosternon sonoriense Le Conte, 1854 - Sonora mud turtle 1 Kinosternon sonoriense sonoriense Le Conte, 1854 - Sonora mud turtle 2 Kinosternon sonoriense longifemorale Iverson, 1981 - Sonoyta mud turtle