Archaeologists discover saber-toothed vegetarian (AP)

Thursday, March 24, 2011 3:01 PM By dwi

WASHINGTON – Surprised scientists hit unconcealed the relic of a saber-toothed vegetarian. The leaf-crunching birdlike — most the filler of a super dog — lived 260 meg eld past in what is today Brazil, researchers inform in Friday's edition of the book Science. Its bunk canine set were nearly 5 inches long.

Such super set are more often the mark of a meat-eating animal, utilised to capture and kill prey.

The enormous canines were likely utilised by the plant-eating animals to fight apiece another or protect against predators, said investigate cheater Juan Carlos Cisneros of the University of Piaui in northeastern Brazil.

For example, they strength hit fought for territory, resources or females, same the recent musk deer, which also hit a pair of large, tusklike teeth, he said via email.

"These situations are extremely important for the survival of an individual and the success of a species," he said. Discovering animals same this "shows us how nature is extremely fictive in providing solutions for individual chronicle tasks."

In constituent to its saber formed fangs, the newly unconcealed birdlike titled Tiarajudens eccentricus (tee-AH-ruh-HOO-denz ek-SIN-trik-us) had rows of set on the roof of its representative for chewing, the researchers said. The lower jaw was incomplete, but they wait it would hit had kindred rows of teeth.

Tiarajudens was conception of a assemble of animals known as anomodonts, sometimes titled "mammal-like reptiles" and a field being consumer of their time.

The brainstorm provides newborn insights into primeval agency differences in these ancient animals and the evolution of being intake and its Byzantine ethnic interactions, commented Joerg Froebisch of philologue University in Berlin, who was not conception of Cisneros' investigate team.

The evolution of saber set is exceedingly exceptional in plant-eating animals, said Froebisch, occupation the canines in the Brazilian anomodont "extraordinary."

He said the birdlike seems to belong to a new, unusual assemble of anomodonts that lived on the ancient gray supercontinent today titled Gondwana. Before drift formed the inform continents, Gondwana included what is today Antarctica, South America, Africa, island and Australia.

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Online:

Journal: http://www.sciencemag.org


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