Friday, June 17, 2011

[Geology2] News from the world of fossils

Trove of sea turtle and other marine fossils found along ancient New
Jersey coast
PhysOrg.com [USA], June 10, 2011

Paleontologists have discovered numerous marine sea life fossils at a
dig site in Sewell, N.J., including sea turtles, crocodiles, other
reptiles, and fish. A remarkable 3-foot-wide fossil of the extinct
predatory marine turtle Taphrosphys, the largest fossil ever found of
its species, was extracted from the site and transported to Drexel this
week. It will eventually become a museum piece. The site in Sewell
offers the best exposed Cretaceous-age rocks between Spain and Montana.
At the time of the extinction of the dinosaurs 65 million years ago,
when these fossils formed, this location was under water, approximately
5 miles from the coast. The fossil dig is a joint project of Drexel, the
Academy of Natural Sciences, and the New Jersey State Museum. Dr. Ken
Lacovara, director of the Paleontology and Geology program and an
associate professor of biology at Drexel, led the excavation team which
included Drexel students and representatives from the partner
institutions.

http://www.physorg.com/news/2011-06-trove-sea-turtle-marine-fossils.html

Extinct sea cow fossil found in Philippines PhysOrg.com [USA], June 6,
2011

The bones of an extinct sea cow species that lived about 20 million
years ago have been discovered in a cave in the Philippines by a team of
Italian scientists, the expedition head said Monday. Several ribs and
spine parts of the aquatic mammal were found in February and March in
limestone rock above the waters of an underground river on the island of
Palawan, said University of Florence geologist Leonardo Piccini. "The
fossil is in the rock, in the cave. We cannot remove it and we don't
want to extract it. We would like to wait (for) when the technology will
allow us to study the fossil without extracting it," Piccini told AFP.

http://www.physorg.com/news/2011-06-extinct-sea-cow-fossil-philippines.html

New species of Nannocricetus found in Damiao of Nei Mongol
PhysOrg.com [USA], June 10, 2011

Dr. Zhang Zhao-Qun, Institute of Vertebrate Paleontology and
Paleoanthropology, Chinese Academy of Sciences, and his colleagues,
recently described a new cricetid species of Late Miocene, Nannocricetus
wuae, from the locality of DM02, near the Damiao Village, Siziwangqi,
Nei Mongol, China, as reported in the latest issue of Vertebrata
PalAsiatica 2011. Cricetinae are well known rodents inhabiting steppe
and semi-arid habitats as well as agricultural land throughout the
Palaearctic. The origin of Cricetinae is often associated with
Democricetodontini, a widely distributed tribe in the Northern
Hemisphere during the Early and Middle Miocene. Recent molecular study
also suggested that the modern Cricetinae diversified during the Late
Miocene. However, with the paucity of early late Miocene fossil records,
the transition from the ancient to modern group remains unclear.

http://www.physorg.com/news/2011-06-species-nannocricetus-damiao-nei-mongol.html

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