EntityQ4003513· pop 6· linked from 99 articlesumboSign in to savehighest part of each valve of the shell of a bivalve or univalve molluskConnectionsMolluscaEntitypearlEntityGastropodaEntityBivalviaEntitytaxonEntityBrachiopodaEntitynacreEntityanatomical placementEntityUniversity of OregonEntitysymmetry in biologyEntityVeneridaeEntitytrochophoreEntitybyssusEntitymantleEntitynephridiumEntitymusselEntityVeligerEntitysiphonEntityglochidiumEntityPeriostracumEntityCategoriesBivalve anatomy