Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Testudinoidea Batsch, 1788 Family Emydidae Rafinesque, 1815 - pond turtles Subfamily Emydinae Rafinesque, 1815 Genus Emys Duméril, 1805 Emys marmorata Baird & Girard, 1852 - western pond turtle