noun Download 🔗Share Any animal (including all mammals) of the class Synapsida. Examples : "Paleontologists studying early mammal evolution classify the ancient Dimetrodon as a synapsid, a group distinguished by a single opening in the skull behind the eye. " animal biology organism anatomy Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Pertaining to the class Synapsida, of animals which have an opening low in the skull roof behind each eye, leaving a bony arch beneath each. Examples : "The paleontologist explained that the fossil skull exhibited a synapsid characteristic: a single opening behind each eye socket. " anatomy biology animal organism science Chat with AIVocabulary GamePractice Reading
