Habitat small permanent lake, sandy bottom.
Image 1 - Outer view of left valve.
Image 2 - Inner view of left valve.
Image 3 - Inner view of right valve.
Image 4 - Left valve, ventral view, with cusps of posterior (left) and anterior (right) lateral teeth.
Image 5 - Posterior view.
Image 6 - Right valve cardinal tooth (upper), left valve cardinal teeth (lower).
Image 7 - Habitat.
ID confirmed by G.L. Mackie.