/ Thesaurus / O Synonyms of order anostraca Find synonyms for: Noun1. Anostraca, order Anostraca, animal orderusage: small aquatic crustaceans lacking a carapace: fairy shrimps; brine shrimpsWordNet 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