Heteropsomys insulans Anthony, 1916 . Ann. New York Acad. Sci., 27:202.
TYPE LOCALITY: Puerto Rico, Cueva de la Ceiba, Hacienda Jobo (near Utuado) .
DISTRIBUTION: Puerto Rico in cave deposits.
STATUS: Extinct.
COMMENTS: Nearly as large in body size as the Hispaniolan Hutia Plagiodontia aedium .