Sunday, October 3, 2010

[Geology2] Fossil cornucopeia of the week

I love when that happens . . .

Fossil of ancient elephant's tusk unearthed in E China
Xinhua News Agency [China], 2010-09-09
Archaeologists work at the digging site of a fossil of tusk of Elephant
(Palaeoloxodon) in Zhangchangying Village of Mengcheng County, east
China's Anhui Province, Sept. 8, 2010. The fossil of tusk of two parts,
with a total length of 3.34 meters, was unearthed here lately.

http://news.xinhuanet.com/english2010/sci/2010-09/09/c_13486993.htm

See also:
http://news.xinhuanet.com/english2010/photo/2010-09/06/c_13481207.htm

New record set for wingspan with discovery of bird fossil in Chile
PhysOrg.com [USA], September 16, 2010

A newly discovered skeleton of an ancient seabird from northern Chile
provides evidence that giant birds were soaring the skies there 5-10
million years ago. The wing bones of the animal exceed those of all
other birds in length; its wingspan would have been at least 5.2 m (17
ft.). This is the largest safely established wingspan for a bird. Other,
larger estimates for fossil birds have been based on much less secure
evidence. The new bird belongs to a group known as pelagornithids,
informally referred to as bony-toothed birds. They are characterized by
their long, slender beaks that bear many spiny, tooth-like projections.
Such 'teeth' likely would have been used to capture slippery prey in the
open ocean, such as fish and squid.

http://www.physorg.com/news203849445.html

Quasimodo dino leaves experts grappling for a hunch
PhysOrg.com [USA], September 8, 2010

Palaeontologists in Spain have discovered the remains of a strange
dinosaur with a hump that they believe is the forerunner of flesh-eating
leviathans which once ruled the planet. The fossil was uncovered in the
Las Hoyas formation in central Spain's Cuenca province, a treasure trove
of finds that date to the Lower Cretaceous period of between 120 and 150
million years ago. The nearly-complete skeleton is as exquisite as the
dinosaur is "bizarre," Fernando Escaso of the Autonomous University of
Madrid, told AFP by phone. "This dinosaur is very remarkable," Ecaso
said. "It is a unique specimen. It is the most complete dinosaur ever
found in the Iberian peninsula and is a new species of theropod," a
carnivore that moved on two rear limbs. Six metres (20 feet) long from
snout to tailtip, the dinosaur is the earliest member ever found of a
branch of Carcharodontosauria, the largest predatory dinos that ever
lived and which until now were thought to be confined to southern
continents.

http://www.physorg.com/news203170496.html

500 million year old fossils discovered on new site
PhysOrg.com [USA], September 17, 2010

During an expedition into the Canadian Rocky Mountains in 2008, a
Canadian-led team including Swedish researchers from Uppsala University
found a new site with exceptionally preserved fossils. The site and its
fossils have now been made public in this month's issue of Geology. The
discovered fossils, including a new form of giant predator, are
equivalent in age to the world-famous Burgess Shale. However, the
sediments of the new site have been deposited in an entirely different
environment than the Burgess Shale, where nobody would have expected
such exceptional preservation.

http://www.physorg.com/news203935038.html

CT scan for 50 million year old snake
PhysOrg.com [USA], September 13, 2010

Even some of the most advanced technology in medicine couldn't get
Clarisse to give up all of her secrets. After all, she's kept them
secret for more than 50 million years. Clarisse is a snake, found in the
Fossil Butte region of Wyoming, perfectly fossilized in limestone and
the only one of her kind known to be in existence. Palentologist Hussan
Zaher found her, and he brought her to Houston in hopes of learning more
about her. He brought his precious find to The Methodist Hospital and
subjected her to a detailed CT (computerized tomography) scan in hopes
of finding where Clarisse fits along the timeline of evolution.

http://www.physorg.com/news203585300.html

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