Acratocnus
Puerto Rican Ground Sloth, Acratocnus odontrigonus
Hispaniolan Snub-nosed Sloth, Acratocnus simorhyncus
Hispaniolan Ground Sloth, Acratocnus ye

Anthony, H. E.  1916.  Preliminary report on fossil mammals from Porto Rico, with descriptions of a new genus of ground sloth and two new genera of hystricomorph.  Annals of the New York Academy of Sciences, 27: 193-203. (type description, Acratocnus)

-------- 1918.  The indigenous landd mammals of Porto Rico, living and extinct.  Memoirs of the American Museum of Natural History, 2: 331-435.

MacPhee, R. D. E., J. L. White, and C. A. Woods.  2000.  New megalonychid sloths (Phyllophaga, Xenarthra) from the Quaternary of Hispaniola.  American Museum Novitates, 3303: 1-32. (type description, Acratocnus ye, Megalocnus zile, Neocnus dousman, and Neocnus toupiti)

Rega, E., D. A. McFarlane, J. Lundberg, and K. Christenson.  2002.  A new Megalonychid sloth from the late Wisconsinan of the Dominican Republic.  Caribbean Journal of Science, 36(1-2): 11-19.  (type description, Acratocnus simorhyncus)

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