Further findings at Afar, including the many hominin bones in site 333, produced more bones of concurrent date, and led to Johanson and White's eventual argument that the Koobi Fora hominins were concurrent with the Afar hominins. In other words, Lucy was not unique in evolving bipedalism and a flat face.
Recently, an entirely new species has been discovered, called Kenyanthropus platyops, however the cranium KNM WT 40000 has a much distorted matrix making it hard to distinguish (however a flat face is present). This had many of the same characteristics as Lucy, but is possibly an entirely different genus.
Another species, called Ardipithecus ramidus, was found by White and colleagues in the 1990s. This was fully bipedal, yet appears to have been contemporaneous with a woodland environment. Scientists have a rough estimation of the cranial capacity of Ar. ramidus at 300 to 350 cm³, from the data released on the Ardipithecus specimen nicknamed Ardi in 2009.
Read more about this topic: Australopithecus Afarensis
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