For those who still don't know, the Paranthropus robustus or robust australopithecine is an hominid discovered in Africa. It's said, their teeth were stronger and bigger than other hominid's.
They are distinguished by the following characteristics:
- Round face and big skull.
- A large sagittal crest to provide a wide area for muscles.
- They were around 1 meters tall. And weigh around 50 kg (112 pounds).
- About 1.8 million years old.
- They had sexual dimorphism (which means males bone structure was much more different than females)