 The squamosal is complex in shape, with a bulbous front branch that is circular in cross-section and a lower branch that infringes on the infratemporal fenestra.The tall and broad quadrate extends from a socket on the rear branch of the squamosal to below the level of the quadratojugal.It also sends forward two large plates of bone which connect with the pterygoid and quadratojugal.The palate was solid, composed of flat and toothless bones.