...my barbaric YAWP...
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Acrocanthosaurus atokensis 
 
 
[Acrocanthosaurus atokensis Skull]
FRAN - Skull of Acrocanthosaurus atokensis July2000
This is a cast of a specimen found in 1983, in the Paluxy Sandstone, Antlers Formation, McCurtain County,Oklahoma. The fossils are nicknamed FRAN after Fran Graffham of Geological Enterprises, UK. The name Acrocanthosaurus atokensis (akro- terminal,topmost; akanthos- thorn) refers to the presence of neural spines almost 5 times the height of the centra in the dorsal vertebrae. This theropod had a sail but not as large as the Jurassic Park III Spinosauruswhose spines were 11 times the centra.

The tracks recorded in the sandstones at the Paluxy river, Glen Rose,Texas  have been suggested to have been made by an acrocanthosaur.

This beast-foot lived approximately 100 to 110 million years ago during the mid-Cretaceous.

[frontal view Acrocanthosaurus atokensis Skull]
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All images ©Michael Patrick Corriss
August 9,2001
Images photographed with Olympus OM-1 35-mm camera, Olympus KHCmicroscope,
Ricoh RDC-300Z digital camera, scanned by Nikon LS-2000 and
manipulated with PhotoShopLE.
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