overlaps develops from OBO_REL:part_of (UNDECLARED) anguloarticular Dermal and endochondral compound bone that results from the fusion of the dermal angular and the endochondral articular and forms the posterior part of the lower jaw. It articulates with the dentary anteriorly and with the retroarticular postero-medially. The anguloarticular is paired. TAO:0000467 The presence of an anguloarticular is interpreted as a synapomorphy of the Clupeocephala (Patterson and Rosen, 1977; Arratia, 1999). angular angulo-articular articular teleost_anatomy dermatocranium ventral mandibular arch angular bone dentary-anguloarticular joint quadrate-anguloarticular joint articular bone dermal bone endochondral bone