The ilium bone shows a morphology typical for pachycephalosaurs, with a thin and horizontally elongate preacetabular process (front extension of the ilium), and a wide ridge extending outwards from the top edge of the postacetabular process (hind ilium extension).
The ilium bone exhibits a typical morphology for pachycephalosaurs, characterized by a narrow and horizontally extended anterior process (front part of the ilium) and a wide ridge extending from the top edge of the posterior process (back part of the ilium).