Navigation Links
New evidence dinosaurs were strong swimmers
Date:4/8/2013

A University of Alberta researcher has identified some of the strongest evidence ever found that dinosaurs could paddle long distances.

Working together with an international research team, U of A graduate student Scott Persons examined unusual claw marks left on a river bottom in China that is known to have been a major travel-way for dinosaurs.

Alongside easily identified fossilized footprints of many Cretaceous era animals including giant long neck dinosaur's researchers found a series of claw marks that Persons says indicates a coordinated, left-right, left-right progression.

"What we have are scratches left by the tips of a two-legged dinosaur's feet," said Persons. "The dinosaur's claw marks show it was swimming along in this river and just its tippy toes were touching bottom."

The claw marks cover a distance of 15 meters which the researchers say is evidence of a dinosaur's ability to swim with coordinated leg movements. The tracks were made by carnivorous theropod dinosaur that is estimated to have stood roughly 1 meter at the hip.

Fossilized rippling and evidence of mud cracks indicate that over 100 million years ago the river, in what is now China's Szechuan Province, went through dry and wet cycles. The river bed, which Persons describes as a "dinosaur super-highway" has yielded plenty of full foot prints of other theropods and gigantic four-legged sauropods.

With just claw scratches on the river bottom to go with, Persons says the exact identity of the paddling dinosaur can't be determined, but he suspects it could have been an early tyrannosaur or a Sinocalliopteryx. Both species of predators were known to have been in that area of China.


'/>"/>

Contact: Brian Murphy
brian.murphy@ualberta.ca
780-492-6041
University of Alberta
Source:Eurekalert

Page: 1

Related biology news :

1. Research reveals first evidence of hunting by prehistoric Ohioans
2. Strong scientific evidence that eating berries benefits the brain
3. UNH research adds to mounting evidence against popular pavement sealcoat
4. NIST/UMass study finds evidence nanoparticles may increase plant DNA damage
5. Evidence shows that anti-depressants likely do more harm than good, researchers find
6. Evidence of familial vulnerability for epilepsy and psychosis
7. New evidence that many genes of small effect influence economic decisions and political attitudes
8. DNA evidence shows that marine reserves help to sustain fisheries
9. New evidence in fructose debate: Could it be healthy for us?
10. Study provides first evidence of coevolution between invasive, native species
11. First direct evidence that elemental fluorine occurs in nature
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/3/2016)... MONTEREY, Calif. , March 3, 2016 /PRNewswire/ ... Partner, launched this week highlighting advancements in flexible, ... – a record setting attendance - have gathered ... in this fast-growing field of electronics. The Flex ... a focal point for companies, R&D organizations, and ...
(Date:3/2/2016)... 2016 http://www.researchandmarkets.com/research/cmt3hk/global_biometrics ) ... "Global Biometrics as a Service Market 2016-2020" ... --> http://www.researchandmarkets.com/research/cmt3hk/global_biometrics ) has announced the ... a Service Market 2016-2020" report to ... and Markets ( http://www.researchandmarkets.com/research/cmt3hk/global_biometrics ) has announced ...
(Date:3/1/2016)... SAN FRANCISCO , March 1, 2016 /PRNewswire/ ... BitGo, Inc. extends biometric authentication to the blockchain space ... Bitcoin transactions that have ever ... in digital assets with over 10,000 transactions on any ... HYPR enables enterprises to keep encrypted biometric data decentralized, ...
Breaking Biology News(10 mins):
(Date:4/27/2016)... ... , ... The Pittcon Organizing Committee is pleased to announce that Charles “Chuck” ... of Committee since 1987. Since then, he has served in a number of key ... for both the program and exposition committees. In his professional career, Dr. Gardner is ...
(Date:4/27/2016)... ... April 27, 2016 , ... The Board of Directors ... of John Tilton as Chief Commercial Officer.  Mr. Tilton joined Biohaven from Alexion ... commercial leaders responsible for the commercialization of multiple orphan drug indications. Mr. ...
(Date:4/27/2016)... ... April 27, 2016 , ... Global Stem Cells Group ... Board. Ross is the founder of GSCG affiliate Kimera Labs in Miami. , In ... studied hematopoietic stem cell transplantation for hematologic disorders and the suppression of graft vs. ...
(Date:4/26/2016)... ... April 27, 2016 , ... ... Roca Rothgerber Christie LLP as an associate in the firm’s Intellectual Property practice ... electrical, mechanical and electromechanical patent applications. He has an electrical engineering and computer ...
Breaking Biology Technology: