Multiple choice Each coxal bone is formed by the fusion of three bones, ______________. ilium, ischium and pubis tibia, fibula and tarsals radius, ulna and carpals malleus, incus and stapes none of these Reveal answer Fill a bubble to check yourself A Correct answer Explanation Yes, it is correct. Pelvic girdle consists of two coxal bones. Each coxal bone is formed by the fusion of three bones – ilium, ischium and pubis.