21. The atlas elements are unfused; there is a suture between the dens and ilium and ischium are unfused. 22. It becomes narrower as it descends and joins with the inferior ramus of the ischium below the obturator foramen. 23. All three components of the pelvic girdle illium, ischium and publs are somewhat articulated in almost natural position. 24. Casamiquela had already indicated that the new species was very distinct because of an atypically long ilium and short ischium . 25. In front of the right ischium muscle fibres are present running from the ischial foot in the direction of the femur. 26. These trabeculae may also be thought of as the rims of two large ilium and ischium , as in all paleognathes. 27. The ischium is elongated . " Sinusonasus " has a long lower leg, indicating a good running capacity. 28. The pubis and ischium are likely to be longer than the postacetabular portion of the pelvis is longer than the preacetabular portion. 29. The ischium is bird-like : small with a low obturator process and processes on the upper and lower rear edge. 30. The lower end of the ischium has a D-shaped cross-section due to an extension on the outer side.
