FIGURE 7 in Description of a new species of crayfish in the genus Faxonius (Decapoda: Cambaridae) from the Lower Ohio River Drainage, with evidence of glacial influence on the distribution of some crayfish species throughout the Ohio River basin

FIGURE 7. Comparative plate of key diagnostic differences between Faxonius jeffersoni and Faxonius elix n. sp. Photos include MI gonopod (left column), rostrum (center column), and mandible (right column) of F. elix n. sp. (top row) and F. jeffersoni (bottom row). Arrows point to diagnostic characteristics for F. elix n. sp. Photographs by Guenter Schuster.