Protungulata
plural noun
Prot·ungulata
| \ (¦)prōt+\
Definition of Protungulata
1
: a hypothetical group ancestral to the ungulate mammals
2
in some classifications
: a major division of Eutheria comprising extinct mammals of the orders Condylarthra, Litopterna, Notoungulata, and Astrapotheria together with the recent and extinct Tubulidentata
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