Mustelid Sub-group of the Carnivores, including stoats, polecats, badgers and otters. Nasal bones Forming the upper surface of the muzzle. Forming the back of the skull. Contains the foramen magnum . Smooth, rounded knobs on each side of the foramen magnum , where the skull articulates with the first vertebra.
Mammals have two occipital condyles, birds and reptiles have only one.
A ridge formed where the parietal bones join the occipital bone , across the top, back part of the skull. The eye socket. Orbital diameter Orthodont Normal rodent upper incisors , pointing downwards. The surface forming the roof of the mouth. Form the top, back part of the skull.