Paranthropus robustus was named as such not because of their size but because of their large teeth and face size. In actuality, males were an average 3 ft 9 in tall, one hundred nineteen pounds, and females on average were approximately 3 ft 3 in, eighty-eight pounds (Smithsonian's National Museum of Natural History, 2015). The name robustus comes from the fact that they had very large teeth with thick enamel and focused their chewing in the back of the jaw. Large zygomatic arches gave way for large chewing muscles in the jaw and gave P. robustus individuals their characteristically wide, dish-shaped face. A large sagittal crest provided a large area to anchor these chewing muscles to the skull. Within the population, men had a larger sagittal…