/ Thesaurus / C Synonyms of class pelecypoda Find synonyms for: Noun1. Bivalvia, class Bivalvia, Lamellibranchia, class Lamellibranchia, class Pelecypoda, classusage: oysters; clams; scallops; musselsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language