List of Cranial Bones and Bone Landmarks Region View Bone Bone Landmarks Cranium Frontal Frontal Supraorbital foramen Nasal Sphenoid Superior orbital fissure Inferior orbital fissure Optic foramen (canal) Ethmoid Perpendicular plate Superior nasal concha Middle nasal concha Inferior nasal concha Lacrimal Zygomatic Mandible Body Ramus Alveolar processes Angle Mental foramen Cranium Lateral Maxilla Infraorbital foramen Mandible Coronoid process Condylar process/Articular surface Mandibular notch Body Ramus Mental foramen Zygomatic Temporal process Temporal Zygomatic process Styloid process Mastoid process External auditory (acoustic) meatus Sphenoid Greater wing Other Bones Nasal, Lacrimal, Occipital, Frontal Other Landmarks Coronal suture, Squamous suture, Lambdoid suture, Sagittal suture (superior view) Region View Bone Bone Landmarks Cranial Floor Superior Frontal Frontal sinus (not always visible) w/ calvaria removed Ethmoid Cribiform plate Olfactory foramina Crista galli Sphenoid Sella turcica (Pituitary fossa) Greater wing Lesser wing Temporal Pterous portion Occipital Foramen magnum Cranium Inferior Maxilla Palatine process (hard palate) w/ mandible removed Palatine Horizontal plate (hard palate) Vomer Sphenoid Temporal Mastoid process Styloid process Mandibular process Occipital External occipital protuberance Foramen magnum Occipital condyles Orbit Frontal Orbital Bones Frontal, Maxilla, Zygomatic, Lacrimal, Ethmoid, Sphenoid, Palatine Nasal Cavity Frontal Ethmoid Middle nasal concha, Perpindicular plate Boney septum Vomer Inferior nasal concha Nasal Sinuses Frontal Bones w/ sinuses Frontal sinus, Sphenoidal sinus, Ethmoidal sinus, Maxillary sinus.