archeopteryx


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Synonyms for archeopteryx

extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones

References in periodicals archive ?
Archeopteryx and the dinosaurs from which it presumably descended had longer tails that balanced weight over the hind feet -- a trait more useful for running alont the ground.
The claws of its feet were long and curved, allowing the bird to perch on a branch better than Archeopteryx, says Sereno.