The lower jaw is slender, nearly straight, 2-3 and without a coronoid process or inflected angle.
sa, Supra-angular or coronoid.
Supra-angular and coronoid splint-bones serve for the insertion of part of the temporal or masseter muscle.
No ectopterygoid pterygoid not extending to quadrate; no supratemporal or squamosal; prefrontal forming a suture with nasal; coronoid present; vestiges of pelvis present.
Coronoid present, prefrontal in contact with nasal.