Tox·o·don·tia
-nch(ē)ə
: 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
Toxodontia
2 of 2"
taxonomic synonym of notoungulata
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Merriam-Webster unabridged
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