Webster's Revised Unabridged Dictionary · 1913

ictodosaur

ictodosaur , noun

An extinct reptile intermediate in form between the therapsids and most primitive true mammals.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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