Answer: coquinas

AnswerCrossword Clue
coquinassmall wedge-shaped clam (Donax variabilis) used for broth or chowder and occurring in the intertidal zone of sandy Atlantic beaches from Delaware to the Gulf of Mexico
coquinasCOQUINA, a small marine clam
coquinasa soft whitish limestone formed of broken shells and corals cemented together and used for building