The supraacetabular processes of the ilia are flattened and do not curve ventrally in lateral view.
The rib of the second fused vertebra would have articulated with the anterior process of the ilium, and so these two are dorsosacrals.
The posterior process of the ilium is moderately developed and ventrally bears a strong ridge, and the acetabulum is deeply concave.
It had been accidentally transferred there from an element of the attire that rested on the ilium; none had been deliberately applied directly to the body.
The first rib is slender and would have either been free or fused to the anterior process of the ilium (the latter has now been lost on both sides).
The ilium was short and low, the pubis thin.
It can be defined as a compound structure of the arcuate line (from the ilium) and pectineal line (from the pubis).
In the pelvis, the ilium, ischium and pubis are fused.
