| pteranodon | <paleontology> A genus of American Cretaceous pterodactyls destitute of teeth. Several species are known, some of which had an expanse of wings of twenty feet or more. Origin: Gr. Wing + priv. +, a tooth. Source: Websters Dictionary (01 Mar 1998) |
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| pteranodontia | <paleontology> A group of pterodactyls destitute of teeth, as in the genus Pteranodon. Source: Websters Dictionary (01 Mar 1998) |