megatherian

Definitions of megatherian
1

n a large extinct ground sloth

Synonyms:
megatherian mammal, megatheriid
Types:
ground sloth, megathere
gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America
Type of:
edentate
primitive terrestrial mammal with few if any teeth; of tropical Central America and South America

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