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|Noun||1.||family Apterygidae - coextensive with the order Apterygiformes|
bird family - a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
Apterygiformes, order Apterygiformes - a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis
genus Apteryx - type genus of the Apterygidae: kiwis