| Noun | 1. | family Mylodontidae - extinct South American edentates mammal family - a family of mammals Edentata, order Edentata - order of mammals having few or no teeth including: New World anteaters; sloths; armadillos mylodontid - a variety of extinct edentate genus Mylodon - type genus of the Mylodontidae; sometimes included in family Megatheriidae mapinguari - supposed human-sized sloth-like creature reportedly sighted by Indians in the Amazon rain forest |