Acratocnus

Acratocnus is an extinct genus of Caribbean sloths that were found on Cuba, Hispaniola (today the Dominican Republic and Haiti), and Puerto Rico during the Late Pleistocene and early-mid Holocene.

== Taxonomy == The genus was first described by American paleontologist Harold Elmer Anthony in 1916 based on the species A. odontrigonus, which was found in cave deposits in Puerto Rico. Acratocnus antillensis was first described by William Diller Matthew in 1931. The species was identified based on fossil remains found in various locations in Cuba, including the paleontological deposit Las Llanadas, Sancti Spíritus Province. Acratocnus ye was first described by Ross D. E. MacPhee, Jennifer L. White, and Charles A. Woods in 2000. The species was identified based on fossil remains found in various locations in Haiti, including the type locality at Trouing Vape`Deron, Plain Formon, Département du Sud. The holotype specimen, UF170533, consists of a skull and mandible. Acratocnus simorhynchus was first described in 2002. The species was identified based on fossil remains found in Cueva del Perezoso, located in Jaragua National Park, Pedernales Province, Dominican Republic. The holotype, catalogued as ALF 7194, includes an unusually well-preserved skull, mandible, and post-cranial elements.