The near-complete skull of a male Australopithecus anamensis was discovered in Ethiopia's Woranso-Mille excavation area.
, scientists described the fossil, provided a reconstruction of its face and discussed where it sits in the hominin family tree. In the second, researchers looked at howThe reconstructed face of MRD, a young male belonging to the Australopithecus anamensis. Its discovery has been called a"game changer" for our understanding of human evolution 3.8 million years ago.Early human evolution is not well understood—and as more fossils are discovered, the picture becomes even more complex.
The fossil was found in Ethiopia's Woranso-Mille archaeological complex. When MRD was alive, the region would have been mostly dry shrubland with some forested areas.This overlap also raises the possibility that some fossils previously assigned to"This is a game changer in our understanding of human evolution during the Pliocene," lead author Yohannes Haile-Selassie said in a statement., researchers looked at the environment of the region at the time the fossil dates to.
"MRD lived near a large lake in a region that was dry," Naomi Levin, study co-author, said in a statement."We're eager to conduct more work in these deposits to understand the environment of the MRD specimen, the relationship to climate change and how it affected human evolution, if at all." Fred Spoor from London's Natural History Museum, who was not involved in the research, said the skull"looks set to become another celebrated icon of human evolution." In aarticle relating to the research, he wrote:"MRD is a great addition to the fossil record of human evolution. Its discovery will substantially affect our thinking on the origin of the genus Australopithecus specifically, and on the evolutionary family tree of early hominins more broadly.
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