Order Testudines Wagler, 1830 - turtles Suborder Cryptodira Cope, 1868 Superfamily Testudinoidea Batsch, 1788 Family Emydidae Rafinesque, 1815 - pond turtles Subfamily Deirochelyinae Agassiz, 1857 Genus Malaclemys Gray, 1844 [monotypic] 1 Malaclemys terrapin (Schoepff, 1793) - diamondback terrapin