obsolete viscerocranium true Wikipedia:Facial_skeleton UBERON:0001704 this class was made obsolete as it conflated the facial skeleton with the splanchnocranium. The facial skeleton includes: * Inferior nasal concha * Lacrimal bone * Mandible * Maxilla * Nasal bone * Palatine bone * Vomer * Zygomatic bone. The hyoid is sometimes included, and sometimes excluded (FMA includes it) (See also notes for ethmoid bone). The splanchoncranium is the endoskeleton derived from pharyngeal arches. splanchnocranium facial skeleton