part_of part of part of only in taxon only_in_taxon Craniata <chordates> subdivision of skeletal system cranial skeletal system TAO:0000737 ZFA:0000737 that the cranial skeleton includes the pharyngeal arch skeleton. It is thus more inclusive that the cranium itself, and extends beyond the head in tetrapods. The AAO class called 'skull' belongs here, as it includes the whole splanchnocranium Skeletal subdivision of the head including skull (cranium plus mandible), pharyngeal and/or hyoid apparatus. uberon UBERON:0010323 XAO:0003075 AAO:0000971 VSAO:0000049 AAO:0000109 AAO:0010185 axial skeletal system