Bizarre New Dinosaurs Found in Sahara

New Dinos Ambushed Like Modern Predators
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February 13, 2008Face-to-face in a new fossil discovery, two newfound dinosaur species were revealed today. Both roamed Africa's Sahara desert some 110 million years ago and were found in present-day Niger. (Read full story.)

Eocarcharia dinops, or ''fierce-eyed dawn shark,'' (left) was armed with three-inch (7.6-centimeter), blade-like teeth, likely for disabling and dismembering prey. Some experts speculate that its menacing brow was used in head-butting contests with rival males.

Kryptops palaois, or ''old hidden face,'' boasted a horny face that may have had a special role.

"From the texture of the [skull] bone, it seems like they almost have a bill on the front of their face for sticking their head in and gnawing away at carcasses," said Paul Sereno. The University of Chicago paleontologist co-authored the new study on the species, which appears in the latest issue of the journal Acta Palaeontologica Polonica.

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—Illustration ) Todd Marshall/courtesy of Project Exploration
 
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