plural noun
Di·​pro·​to·​don·​tia | \(ˌ)dīˌprōtəˈdänch(ē)ə\

Definition of Diprotodontia 

in many classifications

: a suborder of Marsupialia comprising the kangaroos, phalangers, koala, wombats, the extinct giants of the genus Diprotodon, and other marsupials that are all almost exclusively herbivorous, have only one well-developed pair of lower incisors, but usually have three pairs of upper incisors — compare polyprotodontia

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History and Etymology for Diprotodontia

New Latin, from Diprotodont-, Diprotodon + -ia

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