This shell profile is sub-rhomboidal to elliptical in outline, and the shell is rather delicate and rarely exceeds 55 mm (2⅛ inches) in length. Anterior margin broadly rounded while the posterior margin is pointed and terminates near the posterior ventral margin. The ventral margin is straight to slightly arcuate. Umbos positioned anterior of the middle of the valves and elevated to or just slightly above the hinge line posterior ridge is broadly rounded with well-developed corrugations present on the posterior slope. The periostracum is dark brown to green with broken Ochlockonee. Specimen not measured. Ochlockonee River, Leon Co., Florida. Photo by Jason Wisniewski, GA DNR. Specimen courtesy of the Florida Museum of Natural History. rays. Pseudocardinal teeth are short and triangular while lateral teeth are slightly curved. Umbo cavity shallow. Nacre color bluish-white to iridescent.
Everglades Eco-Safari Half Day Tour