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The skeleton of this triceratops at the Houston Museum of Natural Science's Hall of Paleontology is mostly real. Casts fill in for any missing bones.

The skeleton of this triceratops at the Houston Museum of Natural Science's Hall of Paleontology is mostly real. Casts fill in for any missing bones.

Placerias.jpg

Placerias.jpg

Triceratops, Houston Museum of Natural Science | Flickr - Photo Sharing!

Triceratops, Houston Museum of Natural Science | Flickr - Photo Sharing!

The wonderful Acrocanthosaurus display at the North Carolina Museum of Natural…

The wonderful Acrocanthosaurus display at the North Carolina Museum of Natural…

Spinosaurus--These dinosaurs were possibly the largest of all carnivorous dinos, maybe even larger than Tyrannosaurus and Gigantosaurus.

Spinosaurus - Bigger than T. Rex, and Every Bit as Nasty

Spinosaurus--These dinosaurs were possibly the largest of all carnivorous dinos, maybe even larger than Tyrannosaurus and Gigantosaurus.

Kronosaurus fossil.  Can you even imagine what this looked like when it was swimming through the ocean?

Kronosaurus fossil. Can you even imagine what this looked like when it was swimming through the ocean?

Recreation of Gorgonops, this therapsid lived 250 million year ago, in the late Permian. Long before the dino's and mammals, this beasty roamed the earth.

Recreation of Gorgonops, this therapsid lived 250 million year ago, in the late Permian. Long before the dino's and mammals, this beasty roamed the earth.

Skull casts of Alioramus, Teratophoneus and Appalachiosaurus. | Replicas http://www.angelfire.com/mi/dinosaurs/dinosaurs_trex.html#.U_l6K2Ndx8F

Skull casts of Alioramus, Teratophoneus and Appalachiosaurus. | Replicas http://www.angelfire.com/mi/dinosaurs/dinosaurs_trex.html#.U_l6K2Ndx8F

Allosaurus fragilis. Image credit: Carnegie Museum of Natural History.

Allosaurus fragilis. Image credit: Carnegie Museum of Natural History.

This might have been real--85 million years ago. Remind me not to set my time machine for that far back.

This might have been real--85 million years ago. Remind me not to set my time machine for that far back.

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