Synapsid
Of reptile. May also be referred to as synapsid reptile.
Extinct reptile having a single pair of lateral temporal openings in the skull.
This concept's ID is @1~8695
Contains
- therapsid
Probably warm-blooded; considered direct ancestor of mammals.
- ictodosaur
Intermediate in form between the therapsids and most primitive true mammals.
- pelycosaur
Large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in...
- edaphosaurus
Heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic.
- dimetrodon
Carnivorous dinosaur of the Permian in North America having a crest or dorsal sail.