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Penn State researchers have used computed tomography CT technology to virtually glue newly-discovered skull fragments of a rare extinct lemur back into its partial skull, which was discovered over a century ago. The different fragments of this lemur's skull are separated by thousands of miles, with the partial skull in Vienna and the pieces of frontal bone in the United States. The result of the digital manipulation is a nearly complete skull of Hadropithecus stenognathus, which is one of only two known skulls for this species.

An article describing the work will be adult dating dienste kalaheo hawaii in the early edition of the Proceedings of the National Academy of Sciences during the week of 28 July through 1 August The adult dating dienste kalaheo hawaii specimens of Hadropithecus stenognathus were found in Andrahomana Cave in Madagascar by a professional fossil-collector, Franz Sikora, in He sent a jaw and the partial skull to Ludwig Lorenz von Liburnau in Vienna, who published a paper in describing the skull and jaw as the remains of a new species.

Since then, Hadropithecus has been an adult dating dienste kalaheo hawaii because few of its fossil adult dating dienste kalaheo hawaii had been discovered until recently. In addition, limb bones of other lemurs sometimes were identified incorrectly as belonging to Hadropithecus. InNatalie Vasey -- then a postdoctoral fellow working with Walker and now an associate professor of anthropology at Portland State University -- initiated a project to return to Andrahomana Sexy weisse titten, schwarze haare in hopes of finding new specimens.

Inthe team excavated new cranial fragments and new limb bones of the elusive extinct lemur. By chance, Walker already had CT scans of the incomplete Vienna skull in his laboratory for use on another project. Ryan used his expertise in digital imaging and primate anatomy to try to fit together the older scan from Vienna and the new scan of the fragments. Because the newly-discovered fragments fit into the skull so cleanly, we decided to adult dating dienste kalaheo hawaii a more thorough virtual reconstruction, filling in other missing pieces using the CT data or making mirror images of undamaged sections to restore damaged ones.

The result was a beautiful image and three-dimensional print of the skull of the extinct lemur species. The digitally reunited remains offered new insights about Hadropithecus. For the first time, its cranial capacity ml. Because the excavators also uncovered many limb and trunk bones of the same individual lemur, the team could estimate its body size reliably. Surprinsingly, Hadropithecus was as big as a large male baboon and had a relative brain size as large as that of some large monkeys.

In fact, the extinct lemur had one of the largest brains relative to its body size of any known prosimian a group comprised of lorises, lemurs, bushbabies, and other similar animals. The skull shape of Hadropithecus is unusual. Its skull vault sports a large, bony crest -- similar to that seen on gorillas -- for the attachment of powerful chewing muscles.

With big chewing muscles, a deep jaw, and a flat face, the skull of Hadropithecus seems mechanically suited to eating hard foods, such as seeds or nuts. This idea is supported by microwear studies showing that the enamel of the Hadropithecus teeth is heavily pitted naughty girls nude in dubai scratched. However, while other animals that feed on hard objects have thick dental enamel and interwoven enamel prisms that prevent tooth breakage, Hadropithecus does not.

Analysis of nitrogen and carbon isotopes in the bones of other specimens of Hadropithecus suggests a diet high in tough, fibrous succulents, tubers, or grasses -- not nuts or seeds.

The team is investigating whether grit clinging to such plants in Madagascar would create the observed microwear pattern. Materials provided by Penn State. Note: Content may be edited for style and length. Adult dating dienste kalaheo hawaii News. Story Source: Materials provided by Penn State. ScienceDaily, 29 July Penn State. Retrieved August 29, from www. One of these bore a very The skull itself was found almost a hundred Thus, these modified skull fragments Below are relevant articles that may interest you.

ScienceDaily shares links with scholarly publications in the TrendMD network and earns revenue from third-party advertisers, where indicated. Boy or Girl? Living Well. View all the latest top news in the environmental sciences, or browse the topics below:. Keyword: Search.


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