Familial scaphocephaly syndrome, McGillivray type is a rare newly described craniosynostosis (see this term) syndrome characterized by scaphocephaly, macrocephaly, severe maxillary retrusion, and mild intellectual disability.

Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).