This skull has far too many
australopithecine features to be anything else than a large - brained africanus.
But despite some modern traits, it has a number of
australopithecine features, and a brain size of only about 750 cc (compared to the modern human average of at least 1350 cc).
Not exact matches
Features such as small brain size, slight build and very long arms link the creature to the
australopithecines, especially A. africanus.
Though its physical
features are closer to human than other
australopithecines, A. sediba is hundreds of thousands of years younger than the oldest fossils assigned to the genus Homo, meaning it is unlikely to be our direct ancestor.
While these
features seem to support the notion that it is not an
australopithecine, several other
features do not support the habilis distinction.
Given either pictures or descriptions of skeletal
features of hominids, including modern human, apes and
australopithecines, students will assign them to their appropriate group.