DistributionRead full entry
Range DescriptionGraptemys pseudogeographica ranges through the Mississippi-Missouri basin from Louisiana up to North Dakota and Ohio, and inhabits the Mermenteau and Calcasieu river drainages of Louisiana and the Sabine, Trinity and Brazos river systems in Texas (Iverson 1992, Vogt 1993, Lindeman pers. comm. 2010).
- G. p. pseudogeographica: Missouri, Ohio and upper Mississippi rivers;
- G. p. kohnii: lower Misissippi basin, including the Arkansas, Red, Mermenteau, Calcasieu, Sabine, Trinity and Brazos rivers.