Journal
SCIENCE
Volume 340, Issue 6129, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1232997
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Funding
- South African Department of Science and Technology
- African Origins Platform (AOP)
- South African National Research Foundation
- Institute for Human Evolution (IHE)
- Palaeontological Scientific Trust (PAST)
- Andrew W. Mellon Foundation
- L. S. B. Leakey Foundation Baldwin Fellowship
- United States Diplomatic Mission to South Africa
- French Embassy in South Africa
- National Geographic Society
- A. H. Schultz Foundation
- Oppenheimer and Ackerman families
- Program to Enhance Scholarly and Creative Activities
- Texas A M University
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Since the announcement of the species Australopithecus sediba, questions have been raised over whether the Malapa fossils represent a valid taxon or whether inadequate allowance was made for intraspecific variation, in particular with reference to the temporally and geographically proximate species Au. africanus. The morphology of mandibular remains of Au. sediba, including newly recovered material discussed here, shows that it is not merely a late-surviving morph of Au. africanus. Rather-as is seen elsewhere in the cranium, dentition, and postcranial skeleton-these mandibular remains share similarities with other australopiths but can be differentiated from the hypodigm of Au. africanus in both size and shape as well as in their ontogenetic growth trajectory.
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