The<unk>  (from Greek<unk> es, "wedgelike") is a bone situated at the base of the skull in front of the temporals and basilar part of the occipital bone.
The<unk>  somewhat resembles a butterfly or bat with its wings extended.
Sphenoid bone
Occipital bone
Zygomatic bone
Pisiform bone
Parietal bone
Hyoid bone
Frontal bone
Mastoid process