It is widely accepted that birds are a subgroup of dinosaurs, but there is an apparent conflict: modern birds have been thought to possess only the middle three fingers (digits II-III-IV) of an idealized five-digit tetrapod ...
Archaeology
Jul 8, 2013
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Tracking the growth of dinosaurs and how they changed as they grew is difficult. Using a combination of biomechanical analysis and bone histology, palaeontologists from Beijing, Bristol, and Bonn have shown how one of the ...
Archaeology
Jun 28, 2013
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In the Tha Chang area, Nakhon Ratchasima Province, Thailand, several sand pits previously have yielded fossils. The area is 220 km northeast of Bangkok, and the sand pits are located next to the Mun River. The sedimentary ...
Archaeology
Jun 26, 2013
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Microtoid cricetids are widely considered to be the ancestral form of arvicoline rodents, a successful rodent group including voles, lemmings and muskrats. The earliest previously known microtoid cricetid is Microtocricetus ...
Archaeology
Jun 26, 2013
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(Phys.org) —Platybelodon is a group of extinct Proboscidea. They extended from the early Miocene to middle Miocene of Eurasia. Evident also shows that some of them reached North America in the late Miocene. These strange ...
Archaeology
Jun 25, 2013
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During the Permian era, the Earth was dominated by a single supercontinent called Pangea – "All-Earth". Animal and plant life dispersed broadly across this land, as documented by identical fossil species found on multiple ...
Archaeology
Jun 24, 2013
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Although modern Indian and Javan rhinos have a single horn on their noses, the extinct one-horned rhino Elasmotherium was a source of the unicorn legend because it had a two meter-long horn on its forehead and lived with ...
Archaeology
Jun 21, 2013
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The alvarezsauroid theropod Linhenykus monodactylus from the Upper Cretaceous of Inner Mongolia, China is the first known monodactyl non−avian dinosaur, providing important information on the complex patterns of manual ...
Archaeology
Jun 19, 2013
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The late Cretaceous tyrannosaurid Alioramus altai is known from a single specimen whose articulated braincase exhibits a nearly unique combination of preservational quality, subadult stage of growth, and morphological complexity. ...
Archaeology
Jun 14, 2013
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Though present before the Last Glacial Maximum (LGM, around 24,500–18,300 years ago), microblade technology is uncommon in the lithic assemblages of north-central China until the onset of the Younger Dryas (YD, around 12,900–11,600 ...
Archaeology
Jun 13, 2013
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