The squamosal suture, or squamous suture, arches backward from the pterion and connects the temporal squama with the lower border of the parietal bone: this suture is continuous behind with the short, nearly horizontal parietomastoid suture, which unites the mastoid process of the temporal with the region of the mastoid angle of the parietal bone.
The squamosal suture is a bony connection between the temporal bone and the parietal bone, specifically connecting the temporal squama to the lower border of the parietal bone. This suture continues with another suture called the parietomastoid suture.