Smooth Softshell Oklahoma Department of Wildlife Conservation

Smooth Softshell (Apalone mutica) - Amphibians and Reptiles of South Dakota

Spiny Softshell Turtle Information and Pictures - PetGuide

Oklahoma Department of Wildlife Conservation Oklahoma Department of Wildlife Conservation

Turtle Trivia Oklahoma Department of Wildlife Conservation

Spiny Softshell Oklahoma Department of Wildlife Conservation

Wildlife department audit uncovers suspicious activity

Spiny Softshell recovery strategy

Oklahoma Department of Wildlife Conservation

Oklahoma Department of Wildlife Conservation Oklahoma Department of Wildlife Conservation

Oklahoma Field Guide Oklahoma Department of Wildlife Conservation