Liomys Merriam, 1902 . Proc. Biol. Soc. Washington, 15:44.
TYPE SPECIES: Heteromys alleni Coues, 1881 (= L. irroratus alleni, see Genoways, 1973).
COMMENTS: Revised by Genoways (1973). Phylogenetic relationships among species and relative to Heteromys presented by Rogers (1989, 1990). Keys to the species of Liomys were presented by Genoways (1973:44-45) and Dowler and Genoways (1978).