/ Thesaurus / C Synonyms of cryptophyceae Find synonyms for: Noun1. Cryptophyceae, class Cryptophyceae, classusage: motile usually brownish-green protozoa-like algaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language