ArchaeopteryxDescribes the physical characteristics of the Archaeopteryx, who its enemies were, and the environment they lived in.
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\Ar`ch[ae]*op"te*ryx\, n. [Gr. 'archai^os ancient + pte`ryx wing.] (Paleon.) A fossil bird, of the Jurassic period, remarkable for having a long tapering tail of many vertebr[ae] with feathers along each side, and jaws armed with teeth, with other reptilian characteristics.