plural noun
Tox·​o·​don·​tia | \-nch(ē)ə\

Definition of Toxodontia 

(Entry 1 of 2)

: a suborder of Notoungulata comprising generalized ungulates of the Paleocene to Pleistocene of South America mostly of huge size equaling a large rhinoceros and having mostly persistent teeth that consist of large incisors, small lower canines, and high-crowned curved molars



Definition of Toxodontia (Entry 2 of 2)

taxonomic synonym of notoungulata

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History and Etymology for Toxodontia

Plural noun

New Latin, from tox- entry 2 + -odontia

New Latin, from tox- entry 2 + -odontia

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living or existing for a long time

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