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Definition of Megatheriidae
1. Noun. Extinct ground sloths.
Exact synonyms: Family Megatheriidae
Generic synonyms: Mammal Family
Group relationships: Suborder Xenarthra, Xenarthra
Member holonyms: Megatherian, Megatherian Mammal, Megatheriid, Genus Megatherium, Megatherium
Generic synonyms: Mammal Family
Group relationships: Suborder Xenarthra, Xenarthra
Member holonyms: Megatherian, Megatherian Mammal, Megatheriid, Genus Megatherium, Megatherium