Toxodonta \Tox`o*don"ta\, n.pl. [NL.] (Paleon.)
An extinct order of Mammalia found in the South American
Tertiary formation. The incisor teeth were long and curved
and provided with a persistent pulp. They are supposed to be
related both to the rodents and ungulates. Called also
{Toxodontia}.
[1913 Webster]