Sentences with phrase «of braincases»

Of particular interest to him are the sizes of their braincases.

«Also, the fact that the bones of the braincase aren't fully fused means that this particular fossil is that of an individual that is not fully grown yet.

The most spectacular finding was made on an elevated shelf within a small chamber of the cave: a very well preserved «calotte,» hence the upper part of a braincase.

In some cases, they only eat the brain, and we've found that swabbing along the edges of the braincase gives us the best results for extracting DNA,» Wheat said.

Maéva Orliac of Montpellier University, France, and colleagues say that a new fossil cast of its braincase shows Hyopsodus had a large inferior colliculus, a brain region enlarged in echolocating animals (PLoS One, DOI: 10.1371 / journal.pone.0030000).

Not exact matches

Their braincase (shown below in blue) also seemed to fall somewhere between what one might expect in an ancient human ancestor and a modern human, albeit slightly more similar to those of our archaic ancestors.

The study casts doubt on a 2014 paper by Falk that was based on casts of the inside of fossil braincases, called endocasts, which preserve impressions of these surface features.

Some anatomical studies indicated that T. rex could not run quickly, while an examination of the creature's braincase showed it had an outsize olfactory system.

In doing so, numerous measuring points in a dense array were located on the virtual representation of Manot and on several hundreds of other braincases to capture differences and similarities.

The traditional methods of anthropology permit to draw only a coarse picture with regard to classification if it comes to a partial braincase which features mainly smooth curvatures.

The shape of the brain case was the first to change: the new skull has a braincase shaped like a typical H. erectus despite its small size.

Until recently, if a team of researchers found an intact braincase, they were limited in what they could learn unless they cut the fossil open.

Further studies of casts of the inner braincase, which show impressions from surface features of the brain, may help clarify N. alesi's position in ape evolution, Nengo says.

When paleoanthropologist Lee Berger unearthed a fossil near Johannesburg, South Africa, it seemed to be a jumble of parts: a braincase similar in size to that of an Australopithecus africanus, a Homo erectus pelvis, and the arms of a Miocene ape.

The inside surface of Jebel Irhoud braincases, which were long and low, has a distinctive shape that perhaps represents an early evolutionary step toward later humans» rounded skullcaps, suggests paleoanthropologist Chris Stringer.

To create a virtual version of the hobbit brain, Falk's colleague, engineer Kirk Smith, of the Mallinckrodt Institute of Radiology in St. Louis, used three - dimensional CAT scans that Morwood's team had taken of its fossilized skull and braincase.

Today, even upper - latitude, «wolfish» varieties like huskies have shorter, wider snouts, and shorter braincases, than wolves — traits typical of domestication syndrome.

The short snout and wide braincase of a canid skull (top) found in Belgium's Goyet Cave, in comparison with two ancient wolves found in nearby caves (middle, bottom), led scientists to claim the Goyet bones are from a 36,000 - year - old dog.

«Had Skull 5 been found as an isolated braincase and an isolated face, these parts may have been attributed to distinct species,» says Christoph Zollikofer, a University of Zürich anthropologist and author on the paper published in October.

After sorting through hundreds of bones excavated by paleontologists Suresh Srivastava and Ashok Sahni during a 1983 expedition in the Narmada River valley in western India, Sereno and Wilson realized they were looking at the braincase, parts of a hip, a vertebra, and a tailbone of a distant cousin of Tyrannosaurus rex.

But there's also another part of Timurlengia's skeleton that we were able to study: the braincase, the fused bones at the back of the skull that surround the brain, ear, and sinuses.

Neubauer considers it unlikely that the gradual evolution of smaller faces with the same general skull shape altered braincase shapes.

Using CT scans of ancient and modern human skulls, the researchers created digital brain reconstructions, based on the shape of the inner surface of each skull's braincase.

In general, though, the faces of H. sapiens got smaller over time, a skull change that Zollikofer contends critically influenced the evolution of rounded braincases described in the new report.

The mouse - size creature's relatively large braincase and short snout clearly mark it as a primate, says Hu, who made the discovery in collaboration with Xijun Ni and colleagues at the Chinese Academy of Sciences in Beijing.

The skull displays a modern - looking face, left, combined with a braincase, right, shaped like those of older, now - extinct Homo species.

In fact, the face and palate of 1470 are so large that until the braincase was assembled, Richard Leakey thought, judging from the facial bones, that 1470 was a robust australopithecine (Walker and Shipman 1996).

The braincase is far more rounded and gracile than that of any ape, and the brain has a human rather than an apelike pattern (Tobias 1987).

«We think that being able to break this constraint - letting the beak evolve independently from the braincase, may have been a key factor in enabling the rapid and explosive evolution of the thousands of species of songbirds such as Darwin's finches and Hawaiian honeycreepers».