Protungulata

plural noun

Prot·​ungulata

(¦)prōt+

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

protungulate

(ˈ)⸗+

adjective or noun

Word History

Etymology

New Latin, from prot- + Ungulata

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