Accessory iliac facet - Additional facet located on the iliac tuberosity in the area that articulates with sacrum. May be unilateral or bilateral.
Accessory sacral facet - Additional facet located on the posterior aspect of the sacrum near the first sacral foramen. May be unilateral or bilateral.
Acetabular mark/notch - U-shaped depression located in the superior aspect of the acetabulum on the lunate surface. (Mann and Hunt 2005)
For a complete list of standard postcranial measurements see Buikstra and Ubelaker (1994). Buikstra and Ubelaker (1994) have proposed a set of standard measurements and collection techniques to be employed by all practicing physical and forensic anthropologists to aid in data collection and comparison between researchers.