Family Emydidae
This family regroups the Pond turtles and their relatives.

Clemmys guttata – Spotted turtle
Graptemys caglei – Cagle’s map turtle
Graptemys ouachitensis – Ouachita map turtle
Graptemys versa – Texas map turtle
Malaclemys terrapin littoralis – Texas diamondback terrapin
Pseudemys concinna concinna – Eastern river cooter
Pseudemys gorzugi – Rio Grande cooter
Pseudemys texana – Texas cooter
Terrapene carolina mexicana – Mexican box turtle
Terrapene coahuila – Coahuilan box turtle
Trachemys scripta elegans – Red-eared slider
Trachemys venusta venusta – Meso-American slider