Definition of archaeopteryx
: a primitive crow-sized bird (genus Archaeopteryx) of the Upper Jurassic period of Europe having reptilian characteristics (such as teeth and a long bony tail)
Recent Examples of archaeopteryx from the Web
The highlight was the center’s most valuable display: a fossilized archaeopteryx from some 150 million years ago, one of 10 in the world (the others are all in Europe).
A birdlike creature that had teeth, a tail and wings, the archaeopteryx is roughly the size of a crow.
However, as a gesture of goodwill, Atheist Santa will leave your child with a set of wooden periodic-table blocks and a scale model of archaeopteryx.
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Learn More about archaeopteryx
Britannica.com: Encyclopedia article about archaeopteryx
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