Sutures
Sagittal suture—connects the parietal bones at the top of the skull. It lies in the sagittal plane.
Coronal suture—connects both parietal bones to the frontal bone on the top of the skull. It lies in a coronal plane.
Lambdoid suture—connects the occipital bone to the posterior portions of the parietal bones.
Squamosus suture—connects the parietal bones to the temporal bones.