Order Pilosa 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 1 100 103 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Bradypus variegatus Schinz 1825 Bradypus variegatus Schinz 1825 , Das Thierreich, 4: 510 . Type Locality: "Sudamerika;" restricted to Brazil by Mertens (1925) who suggested that the type may have come from Bahia . Vernacular Names: Brown-throated Sloth . Synonyms: Bradypus braziliensis Sanderson 1949 ; Bradypus infumatus Tschudi 1845 ; Bradypus rifuscatus Cornelia 1849 ; Bradypus speculiger Fitzinger 1871 . Subspecies: : Subspecies Bradypus variegatus subsp. variegatus Schinz 1825 Subspecies Bradypus variegatus subsp. boliviensis Gray 1871 Subspecies Bradypus variegatus subsp. brasiliensis Blainville 1840 Subspecies Bradypus variegatus subsp. ephippiger Philippi 1870 Subspecies Bradypus variegatus subsp. gorgon Thomas 1926 Subspecies Bradypus variegatus subsp. infuscatus Wagler 1831 Subspecies Bradypus variegatus subsp. trivittatus Cornalia 1849 Distribution: Honduras to Colombia , Ecuador , Brazil , W Venezuela , E Perú and Bolivia , Paraguay , and N Argentina . Conservation: CITES – Appendix II; IUCN – Lower Risk (lc). Discussion: The literature contains the following unavailable names: braziliensis Sanderson, 1949 [incorrect subsequent spelling of brasiliensis Blainville ]; infumatus Tschudi, 1845 [incorrect subsequent spelling of infuscatus Wagler ]; rifuscatus Cornelia, 1849 [incorrect subsequent spelling of infuscatus Wagler ]; speculiger Fitzinger, 1871 [ nomen nudum ].