Southwest Florida Shells

José H. Leal

Eurytellina alternata

(Say, 1822)

Family Tellinidae

Alternate Tellin

Shell size to 75 mm; shell large, compressed, elongate-trigonal, strongly angled posteriorly. Sculpture of concentric growth lines separated by wider interspaces. Ligament external, brown. Posterior ridge present on right valve. Color glossy white, with yellow or pink tints.