The labelled structures are (excluding the correct side):
sphenopalatine foramen
superior articular process of C1
mastoid process
pterygopalatine fossa
posterior arch of C1
pterygoid process
occipital condyle
pterygomaxillary fissure
styloid process
medial pterygoid plate
basion
temporal process of zygomatic bone
sphenotemporal suture
zygomatic process of temporal bone
mandibular condyle
vidian canal
tubercle of occipital condyle
foramen magnum
greater wing of sphenoid bone
clivus
inferior orbital fissure
cribriform plate
foramen rotundum
hypoglossal canal
spheno-occipital synchondrosis (remnant)
foramen ovale
foramen spinosum
foramen lacerum
carotid canal
jugular spine
pars vascularis of jugular foramen
jugular tubercle
pars nervosa of jugular foramen
condylar fossa (glenoid fossa)
carotid canal
stylomastoid foramen
pharyngotympanic tube (Eustachian tube)
petroclival fissure
supra-orbital foramen
opisthion
crista galli
sphenosquamous suture
sphenoid sinus
external auditory (acoustic) canal
basal turn of the cochlea
pituitary fossa (sella turcica)
apical turn of the cochlea
superior orbital fissure
groove for the clinoid segment of the internal carotid artery
optic canal
petrous apex
porus acusticus
vestibule
anterior clinoid process
lateral semicircular canal
lesser wing of the sphenoid bone
tuberculum sellae
facial canal
pneumatised petrous apex
internal auditory (acoustic) canal
dorsum sellae
posterior clinoid process
vestibular aqueduct (for endolymphatic duct)
calcified incisura of tentorium cerebelli
occipitomastoid suture
superior semicircular canal
posterior semicircular canal
frontal crest
mastoid aircells
median internal occipital crest
sphenosquamous suture
diploic space of frontal bone
groove for the middle meningeal artery
groove for the sigmoid sinus
mastoid part of temporal bone
squamous part of temporal bone
parietotemporal suture
internal occipital protuberance