This belles images photo contains
conque.
There might also be
pétoncle de baie, irradians pecten, baie de pétoncle, pecten irradians, pétoncle, échancrure, escallop, scallop, scollop, coquille, bivalve, pélécypode, lamellibranche, pelecypode, lamellibranch, bivalves, pélécypodes, and lamellibranches.