Choloepus Illiger 1811 Choloepus Illiger 1811, Prodr. Syst. Mamm. Avium: 108. Type Species: Bradypus didactylus Linnaeus 1758 Synonyms: Cholopus Agassiz 1847. Species and subspecies: 2 species with 5 subspecies: Species Choloepus didactylus (Linnaeus 1758) Species Choloepus hoffmanni Peters 1858 Subspecies Choloepus hoffmanni subsp. hoffmanni Peters 1858 Subspecies Choloepus hoffmanni subsp. capitalis J. A. Allen 1913 Subspecies Choloepus hoffmanni subsp. florenciae J. A. Allen 1913 Subspecies Choloepus hoffmanni subsp. juruanus Lönnberg 1942 Subspecies Choloepus hoffmanni subsp. pallescens Lönnberg 1928 Discussion: Reviewed by Wetzel (1985 a). The original spelling of Unaues Rafinesque was Unaüs, which required a substitution of ue for ü. The spellings Cholaepus, Chaelopus, and Choelopus of various authors are all incorrect subsequent spellings of Choloepus Illiger. Cholopus Agassiz, 1847, is an invalid emendation of Choloepus Illiger.

Published as part of Wilson, Don E. & Reeder, DeeAnn, 2005, Order Pilosa, pp. 100-103 in Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore :The Johns Hopkins University Press on page 101, DOI: 10.5281/zenodo.7316519