Complex sentence: The ilia of the holotype are well known, and show many features, the pubic peduncle, where the ilia articulate with the pubis, is long and straight and has an expansion on the end, as in many sauropods.
Split into simpler sentences: The ilia of the holotype are well known, and show many distinct features. The pubic peduncle, where the ilium articulates with the pubis, is long and straight and has an expansion on the end, as in many sauropods.