The Hypsiprymnodontidae /ˌhɪpsᵻˌprɪmnoʊdɒnˈtaɪdiː/ are a family of macropods, one of two families containing animals commonly referred to as rat-kangaroos. The single known extant genus and species in this family, the musky rat-kangaroo, Hypsiprymnodon moschatus, occurs in northern Australia. During the Pleistocene, this family included the megafauna genus propleopus.