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diprotodont

British  
/ daɪˈprəʊtəʊˌdɒnt /

noun

  1. any marsupial of the group or suborder Diprotodontia, including kangaroos, phalangers, and wombats, having fewer than three upper incisor teeth on each side of the jaw Compare polyprotodont

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of diprotodont

C19: from Greek from di- 1 + proto- + -odont