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Paleontology

America's Smallest Dinosaur Uncovered

1000pa (Sep. 23, 2008) — An unusual breed of dinosaur that was the size of a chicken, ran on two legs and scoured the ancient forest floor for termites is the smallest dinosaur species found in North America, according to a University of Calgary researcher who analyzed bones found during the excavation of an ancient bone bed near Red Deer, Alberta.

"These are bizarre animals. They have long and slender legs, stumpy arms with huge claws and tweezer-like jaws. They look like an animal created by Dr. Seuss," said Nick Longrich, a paleontology research associate in the Department of Biological Sciences. "This appears to be the smallest dinosaur yet discovered in North America."

Called Albertonykus borealis, the slender...

First Prehistoric Pregnant Turtle And Nest Of Eggs Discovered In Southern Alberta

1000pa (Aug. 27, 2008) — A 75-million-year-old fossil of a pregnant turtle and a nest of fossilized eggs that were discovered in the badlands of southeastern Alberta by scientists and staff from the University of Calgary and the Royal Tyrrell Museum of Palaeontology are yielding new ideas on the evolution of egg-laying and reproduction in turtles and tortoises.

It is the first time the fossil of a pregnant turtle has been found and the description of this discovery was published...

Duck-billed Dinosaurs Outgrew Predators To Survive

1000pa (Aug. 5, 2008) — With long limbs and a soft body, the duck-billed hadrosaur had few defenses against predators such as tyrannosaurs. But new research on the bones of this plant-eating dinosaur suggests that it had at least one advantage: It grew to adulthood much faster than its predators, giving it superiority in size.

In a study published online August 5 in the Proceedings of the Royal Society of London B: Biological Sciences, scientists compared growth rate data from...

Australian Dinosaur Found To Have South American Heritage

1000pa (June 13, 2008) — Australia's links to South America have just gotten a bit closer, but not due to economic forces, rather fossil forces. University of Queensland palaeontologist Dr Steve Salisbury was part of an international team of palaeontologists from the US, Argentina and Australia that identified a fossil that had previously only been found in South America.

Dr Salisbury, from UQ's School of Integrative Biology, said an upper arm bone found at Dinosaur Cove in...

Dinosaur Diggers Bring Mobile Lab, New Techniques To Eastern Montana

1000pa (June 6, 2008) — Scientists who dig dinosaurs in Eastern Montana will now be able to chemically analyze fossils the same day they're excavated and before degrading begins.

Paleontologists from Montana State University, North Carolina State University and the North Carolina Museum of Natural Sciences recently bought and renovated a mobile laboratory that Dan Redding of Rudyard drove to Eastern Montana for the summer.

The lab is the first of its kind and a dream come...

Molecular Analysis Confirms Tyrannosaurus Rex's Evolutionary Link To Birds

1000pa (Apr. 24, 2008) — Putting more meat on the theory that dinosaurs' closest living relatives are modern-day birds, molecular analysis of a shred of 68-million-year-old Tyrannosaurus rex protein -- along with that of 21 modern species -- confirms that dinosaurs share common ancestry with chickens, ostriches, and to a lesser extent, alligators.

The work, published in the journal Science, represents the first use of molecular data to place a non-avian dinosaur in a...

New Meat-eating Dinosaur Duo From Sahara Ate Like Hyenas, Sharks

1000pa (Feb. 13, 2008) — Two new 110 million-year-old dinosaurs unearthed in the Sahara Desert highlight the unusual meat-eaters that prowled southern continents during the Cretaceous Period. Named Kryptops and Eocarcharia in a paper appearing this month in the scientific journal Acta Palaeontologica Polonica, the fossils were discovered in 2000 on an expedition led by University of Chicago paleontologist Paul Sereno.

Sereno and co-author paleontologist Stephen Brusatte of the...

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Book review

Dinosaurs Encyclopedia

Book Review

Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages ... WRITTEN BY A PROFESSIONAL paleontologist specifically for young readers, this guide to the Dinosauria is packed...