part of overlaps start stage end stage otic region parietal bone zebrafish_anatomy ZFA:0000486 Paired dermal bone that covers the hind part of the cranium, overlapping the dorsal edge of the sphenotic, pterotic, epiotic and the anterior edge of the supraoccipital. The parietal are overlapped anteriorly by the frontal. TAO:0000486 post parietal dermatocranium neurocranium dermal bone cranial vault inter-parietal joint frontal-parietal joint supraoccipital-parietal joint epiotic-parietal joint unknown adult