sentences:  The Lake Mackay hare-wallaby's subfamily, Macropodinae, comprises 61 species from 10 genera.Madropodidae's other suborder, Sthenurinae, may have included about 20 species during the Pleistocene period according to fossil record.The Lake Mackay hare-wallaby is known only from a single animal collected by explorer/geologist Michael Terry in 1932 between Mount Farewell and the northern end of Lake Mackay in the Northern Territory.