The Collaborative International Dictionary of English v.0.48:
Bettongia \Bettongia\ n. a genus of marsupials including the jerboa kangaroo, the bettong. Syn: genus Bettongia. [WordNet 1.5]WordNet (r) 3.0 (2006):
Bettongia n 1: jerboa kangaroo [syn: Bettongia, genus Bettongia]