Hyomys Thomas, 1904 . Proc. Zool. Soc. Lond., 1903(2):198 [1904].

TYPE SPECIES: Hyomys meeki Thomas, 1904 (= Mus goliath Milne-Edwards, 1900).

COMMENTS: Member of the New Guinea Old Endemics (Musser, 1981c). Phallic morphology documented by Lidicker (1968). Photograph and distributional and biological data summarized by Flannery (1990b). Whether only one or more species are present in this genus has never been satisfactorily resolved (Flannery, 1990b; Riimmler, 1938; Tate, 1951), but examination of museum specimens revealed the two species listed below.