Thursday, March 20, 2008

Old Lemur

Bones of a 2,000 year old lemur found in a Madagascar cave have an intriguing anatomical distinction on the little finger. (News source.)

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Monday, March 10, 2008

Palau's Pygmies

About a year or so ago, National Geographic Channel set out their schedule of programming for 2007-8, noting that one would be on fossil pygmies found in Palau. Nothing showed up in the literature until now, as reported by Reuters. Obviously, the find is of interest due to the ongoing debate over H. floresiensis.

"The Palau skeletons, which date to between 900 and 2,800 years ago, appear to have belonged to so-called insular dwarfs -- humans who grew smaller as a result of living on an island, the researchers said.
"They said their findings, published in the Public Library of Science journal PLoS ONE, show it is possible the same thing happened on the Indonesian island of Flores, where small skeletons dating back 15,000 to 18,000 years ago have intrigued scientists since they were discovered in 2004." ...

I would assume the NGC program is soon to follow...

The PLoS journal article is here.

Additional: Another recap from the NYT, and a rebuttal from the H. floresiensis proponents.

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Saturday, March 08, 2008

Scot Polar Bear to be Tested

An Ice Age polar bear skull found in a cave in the Scottish Highlands in 1927 is undergoing genetic tests to determine how it relates to modern day ursines. (News source.)

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Tuesday, February 26, 2008

Big Pliosaur

A fossil pliosaur discovered in 2006 has been confirmed as the largest marine reptile ever, with an estimated length of 50 feet. (News source.)

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Tuesday, January 15, 2008

Bigger Than Your Hamster

A Uruguay fossil rodent, recently described as Josephoartigasia monesi, weighed over 1000 kilograms. (News source.)

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Thursday, January 10, 2008

Psittacosaurus "Feathers" Debate

A researcher has more to say in the "feathered dinosaur" fray, arguing for the collagen side. From the news:

"Prof Theagarten Lingham-Soliar at the University of KwaZulu Natal, claims today to have 'refuted' a suggestion that primitive bristle-like structures that adorn the tail of Psittacosaurus are prototype feathers, as claimed by those seeking evidence to back the widely accepted idea of avian origins." ...
"But Prof Lingham-Soliar, who attacks this interpretation of the Chinese fossil in the Proceedings of the Royal Society, Biological Sciences, tells The Daily Telegraph: 'Scientists must really now choose - belief in the nebulous idea of protofeathers or the reality of collagen, the dominant protein in vertebrates.
"'I am convinced from the nonsense spouted by many of the people who denounce collagen in favour of protofeathers that they have never actually seen collagen in its natural or decomposing state.'
"He adds that, thanks to a quirk of preservation, the fossil provides a 'remarkable, unprecedented' insight into the structure of dinosaur skin.
"'What is highly significant in the present study are the masses of collagen fibres found - over 40 dermal layers seen for the first time in a fossil animal, which shows how vitally important collagen was in providing support and protection of the enclosed body mass of dinosaurs per se.'"

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Friday, December 28, 2007

New Gigantopithecus Fossils

Only sparse details so far, but NG News states:

"The 400,000-year-old fossils of a giant panda were uncovered alongside the remains of a titan-sized, ancient ape called Gigantopithecus blacki, said Huang Wanbo, a paleontologist at Beijing's Institute of Vertebrate Paleontology and Paleoanthropology.
"Excavated from a limestone cave on the island province of Hainan, the fossils suggest that both the giant pandas and the Giganto apes survived on a mostly bamboo diet, said Huang." ...
"Russell Ciochon, a professor at the University of Iowa who has joined several fossil digs in China but was not involved in the Hainan excavation, said the findings expand the known geographic range of nine- to ten-foot (three-meter) Giganto, which he called 'the largest ape that ever existed.'"

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Monday, December 03, 2007

Soft Tissue Dinosaur Found

A hadrosaur fossil discovered in North Dakota may be the best preserved of any "mummified" dinosaur ever found. (News source.)

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Friday, November 23, 2007

Tanystropheus

The Natural History Museum in Milan, Italy, has received fossil Tanystropheus bones from the Alps that are "exceptionally well-preserved." (News source.)

"The fossils belonged to three younger 'reptile giraffes,' so nicknamed because of their long neck which the animal used to approach its prey unnoticed.
"Tanystropheus lived in shallow waters but went ashore. On land, they dined on insects and small reptiles while in waters they would feast on fish and mollusks, the researchers said."

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Wednesday, November 21, 2007

Giant Sea Scorpion

A fossil claw from a sea scorpion, Jaekelopterus rhenaniae, taken out of a German quarry, is much larger than any other found. It suggests that the animal itself was up to 8 feet in length. (News source.)

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Saturday, November 17, 2007

Paleoanthropology in Eurasia

Here's an article on the Dmanisi fossils in Georgia.

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Monday, June 11, 2007

New Fossil: Longnecked Gliding Reptile

A description of a new gliding reptile with a longer neck than expected has been published in the Journal of Vertebrate Paleontology. From the press release:

"A remarkable new long-necked, gliding reptile discovered in 220 million-year old sediments of eastern north America is described in the latest issue of the Journal of Vertebrate Paleontology (Vol. 27, No. 2), scientists report. Mecistotrachelos apeoros (meaning "soaring, long-necked") is based on two fossils excavated at the Solite Quarry that straddles the Virginia-North Carolina state line." ...
"Fraser said that while two other reptiles with similar gliding membranes are known from the Triassic Period, they have much shorter necks and therefore conform more to the modern gliding lizard, Draco.
"The relationships of Mecistotrachelos are unclear, but Fraser considers that it is probably related to the protorosaurs. Protorosaurs are a group of extinct reptiles characterized by a long-necked, including the bizarre Tanystropheus which had a neck longer than the length of the body and tail combined.
"Because of the nature of the sediments, it was not possible to prepare the fossils by standard mechanical methods and the descriptions are based entirely on CT scans. This technique has only been rarely used to describe new species. Tim Ryan of the Center for Quantitative Imaging at Pennsylvania State University led the work on the CT scanning."

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