1.ictodosaur - intermediate in form between the therapsids and most primitive true mammalssynapsid, synapsid reptile - extinct reptile having a single pair of lateral temporal openings in the skullIctodosauria, order Ictodosauria - extinct reptiles of the later Triassic period
ictodosaur
noun
Words related to ictodosaur
noun intermediate in form between the therapsids and most primitive true mammals