: a genus (coextensive with the family Thylacoleontidae) of Pleistocene Australian marsupial mammals having a skull about the size of that of a lion, large tusks, and crushing molars

Word History


New Latin, from Greek thylakos sack + Latin leo lion

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Dictionary Entries Near Thylacoleo

Cite this Entry

“Thylacoleo.” Dictionary, Merriam-Webster, Accessed 22 Jul. 2024.

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