Order Perissodactyla Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 629 636 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Tapiridae Gray 1821 Tapiridae Gray 1821 , London Med. Repos., 15: 306 . Synonyms: Elasmognathinae Gray 1867 . Genera: 1 genus with 4 species: Genus Tapirus Brisson 1762 (4 species with 6 subspecies)