/ Thesaurus / O Synonyms of order perissodactyla Find synonyms for: Noun1. Perissodactyla, order Perissodactyla, animal orderusage: nonruminant ungulates: horses; tapirs; rhinoceros; extinct formsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language