The new australopithecine and the multiplying of species
The headlines on my newsfeed this morning are all excited about the newly announced Australopithecus deyiremeda , and some are hailing it as a "human ancestor." I doubt that it's related to humans, but I think there's a much more interesting story that most of the news outlets won't pick up on. First of all, what was discovered? Some jawbones and teeth (see above). That might not seem very exciting, but these jawbones and teeth are really different from others that have been found from previously-known hominins. They're different enough that the researchers feel justified in announcing a new species in an article in Nature . Looking at their graphs, the teeth definitely have a set of characteristics that is different from anything else we've seen before. The authors think that constitutes a new species, but I'm uncomfortable making a firm baraminological judgment based only on jaws and teeth. The authors did not include Au. sediba ...