develops from develops from composed primarily of bone tissue endochondral bone hyomandibular bone Replacement bone that is bilaterally paired and (in teleosts) articulates with the neurocranium dorsally and the opercle posteriorly[TAO,modified]. Wikipedia:Hyomandibula EFO:0003556 hyomandibular ZFA:0000672 UBERON:0011606 hyomandibula hyomandibular cartilage hyomandibular element