A vertebral stabilization assembly for stabilizing a vertebral segment. The assembly includes a vertebral anchor, a first stabilization member, a second stabilization member, and a threaded fastener. A post of the first stabilization member is configured to be positioned in a first socket of the head portion of the vertebral anchor and a post of the second stabilization member is configured to be positioned in a second socket of the head portion of the vertebral anchor. The threaded fastener is configured to threadedly engage a threaded opening of the head portion such that when the threaded fastener is threaded into the threaded opening, the threaded fastener engages both the post of the first stabilization member and the post of the second stabilization member.
