Does Australopithecus Afarensis Have a Sagittal Crest?

males had a bony ridge (a sagittal crest) on top of their skull for the attachment of enormous jaw muscles. In this species, the crest was very short and located toward the rear of the skull.

Does Australopithecus africanus have a sagittal crest?

africanus lacks sagittal crests (crests along the midline of the skull where chewing muscles attach) and flared zygomatics (cheek bones), which are found in most specimens assigned to Paranthropus boisei and robustus (see essays for these species).

Does the A afarensis have a sagittal crest?

unlike most modern apes, this species did not have a deep groove lying behind its brow ridge and the spinal cord emerged from the central part of the skull base rather than from the back. males had a bony ridge (a sagittal crest) on top of their skull for the attachment of enormous jaw muscles.