part of part of in lateral side of lower jaw region dermatocranium skeleton of lower jaw bone of lower jaw dermal bone angular bone angular UBERON:0011079 ZFA:0001645 TAO:0001669 AAO:0000010 angular bones The angular fuses with the articular bone in clupeocephalans forming the anguloarticular. Wikipedia:Angular_bone postoperculare Dermal bone that is located posterior to the dentary and lateral to the articular and retroarticular bones of the lower jaw. The angular forms the outer dermal sheet of the posterior part of the lower jaw. The angular bears a portion of the mandibular sensory canal. The angular is a paired bone. praearticulare lateral structure