* The northern quoll (Dasyurus hallucatus) is found in tropical savannahs and woodlands of northern Australia and southern New Guinea.
* The southern quoll (Dasyurus viverrinus) is the most widespread species, inhabiting a variety of habitats from coastal forests to arid deserts in southern and eastern Australia.
* The western quoll (Dasyurus geoffroii) is found in semi-arid woodlands, tussock grasslands, and coastal heaths in western and southern Australia.
* The eastern quoll (Dasyurus maculatus) is restricted to rainforest and tall sclerophyll forests of eastern Australia.
* The tiger quoll (Dasyurus maculatus maculatus) is now found only in Tasmania, where it occupies various habitats including temperate rainforests, wet sclerophyll forests, alpine heaths, and coastal scrublands.