Ulnar/fibula ray defect - brachydactyly syndrome is a very rare malformation syndrome characterized by ulnar hypoplasia associated with hypoplastic to absent fourth and/or fifth digits, fibular hypoplasia, short stature and facial dysmorphism.

Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation.