Cyclinella tenuis

(Récluz, 1852)

Family Veneridae

Thin Cyclinella

Shell size to 28 mm; shell circular, inflated, thin. Surface dull. Sculpture of weak, fine, irregular, growth lines. Umbones well-developed. Pallial sinus v-shaped, medium-sized. Color whitish. Additional shell collected by Susan J. Hewitt at Gulfside City Park on Sanibel in December 2014.