EntityQ4008403· pop 7· linked from 260 articlesvalveSign in to saveanatomical term applied to the shell of molluscsConnectionsMolluscaEntityGastropodaEntityBivalviaEntityPolyplacophoraEntityoceanEntitypearlEntityclassEntitysnailEntityWayback MachineEntityCrustaceaEntitycalcium carbonateEntityBrachiopodaEntitynacreEntityOstracodaEntitycropEntityanatomical placementEntityTyrian purpleEntityradulaEntityOpisthobranchiaEntitytrochophoreEntityCategoriesBivalve anatomyChitonsMollusc shells