OBO_REL:part_of (UNDECLARED) ventral mandibular arch angular bone 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. TAO:0001669 The angular fuses with the articular bone in clupeocephalans forming the anguloarticular. teleost_anatomy dermal bone