genus Archaeornis


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Noun1.genus Archaeornis - a genus of fossil birdgenus Archaeornis - a genus of fossil bird    
bird genus - a genus of birds
Archaeornithes, subclass Archaeornithes - primitive reptile-like fossil birds of the Jurassic or early Cretaceous
archaeornis - extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing