Sentences with phrase «fossil jaw bone»
The fossil jaw bone (above), found in 2000 by a trawler in the North Sea, is extremely rare — and puzzling.
http://www.sciencemag.org/ Not exact matches
Dr Nick Longrich, from the Milner Centre for Evolution based in the University of Bath's Department of Biology & Biochemistry, studied one of these rare fossils, a fragment of a jaw bone kept in the Peabody Museum at Yale University.
The word anam means lake in a Kenyan dialect; the fossils — including some teeth, parts of the upper and lower jaws, an arm bone, and these two pieces of a shinbone — were found near Lake Turkana in northern Kenya.
The actions of hyenas and other carnivores that actively competed for these remains largely explain why the fossil assemblage at Aramis contains an overrepresentation of teeth, jaws, and limb bone shaft splinters (versus skulls or limb bone ends).
The discovery of this fossil evidence, which consists of bones from the upper and lower jaws, suggests that our family tree has more branches than previously believed and is far from linear.
The first results suggested that the skull and jaw material, unlike the fossil animal bones from the site, were not very ancient, which made it seem even more puzzling.