ictodosaur


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ictodosaur - intermediate in form between the therapsids and most primitive true mammals
synapsid, synapsid reptile - extinct reptile having a single pair of lateral temporal openings in the skull
Ictodosauria, order Ictodosauria - extinct reptiles of the later Triassic period
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