Additional features of the cervical vertebrae which distinguish "Dinocephalosaurus" from other protorosaurs include the low and keel-like neural spines, and the anterior and posterior (rear) articular surfaces of the vertebrae both being concave (amphicoelous). In the first ten vertebrae, the bottom margin is also concave. The long, slender cervical ribs bear frontal projections free of the vertebral bodies, which are also unique to "Dinocephalosaurus". These ribs are aligned along the neck and bridge multiple consecutive vertebral joints, from two or three consecutive joints in the anterior the neck to five or six in the posterior neck. There appear to be no distinct processes on the vertebrae for articulation with the ribs.