condylar canal - ANS-B
Inion (external occipital protuberance) - ANS-
foramen magnum of occipital bone - ANS-
occipital condyles - ANS-
basilar portion of occipital bone - ANS-C
fossa for cerebellum - ANS-
fossa for cerebrum - ANS-A
hypoglossal canal - ANS-
jugular process - ANS-
condyle for articulation with atlas - ANS-G