diprotodontia

\(ˌ)dīˌprōd.əˈdänch(ē)ə\ noun plural

Usage: capitalized

Etymology: New Latin, from Diprotodont-, Diprotodon + -ia

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