• Webster's Revised Unabridged Dictionary
    • n Nototherium (Zoöl) An extinct genus of gigantic herbivorous marsupials, found in the Pliocene formation of Australia.
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Century Dictionary and Cyclopedia
    • n nototherium A genus of gigantic extinct marsupials from the post-Tertiary, with diprotodont dentition. The dental formula is the same as in Diprotodon, but the incisors are smaller, and the skull is shorter and relatively broader. N. mitchelli and N. inermis are species of this genus.
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Chambers's Twentieth Century Dictionary
    • n Nototherium nō-tō-thē′ri-um a genus of gigantic fossil kangaroo-like marsupials, found in Australia.
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. no`tos the south + qhri`on a wild animal
Chambers's Twentieth Century Dictionary
Gr. nōtos, the south, thērion, a wild beast.


In literature:

They were remains of diprotodons and nototheriums, gigantic marsupials now extinct.
"The Jenolan Caves" by Samuel Cook