postorbital

a postorbital bone.

后骨

Distinct series on head region included the nasal, supraorbital, infraorbital, postorbital, oral, mandibular, gular, supraspiracular series and pair of dorsal line on the body.

分布主要包括:头部的鼻、上、下、后、口、下颌、咽、鳃孔上上的背。