- synapsid, synapsid reptile - extinct reptile having a single pair of lateral temporal openings in the skull
--1 is a kind of reptile, reptilian
--1 has particulars:therapsid, protomammal; ictodosaur; pelycosaur; edaphosaurus; dimetrodon
therapsid, protomammal; ictodosaur; pelycosaur; edaphosaurus; dimetrodon |