Taxonomy: The eastern river cooter (Pseudemys concinna concinna) is the only species that occurs in Indiana. The river cooter belongs to the genus Pseudemys and is in the family Emydidae which is represented in Indiana by ten different species.
Conant, R. and J. T . Collins. 1998. Reptiles and Amphibians of Eastern and Central North America. Third Edition, Expanded. Houghton Mifflin, New York, New York
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Minton, S. A. Jr. 2001. Amphibians and Reptiles of Indiana. Indiana Academy of Science, Indianapolis, IN
Walker, Z. and B. Fisher. 2005. Pseudemys concinna. River Cooter. Geographic distribution. Herpetological Review 36.1:78.