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  • noun

Synonyms for archeopteryx

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

References in periodicals archive ?
The archeopteryx is the best-known example of an ancient life form that seems to lie exactly between two major groups of today's life forms.
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.