Dinosaur (as defined by the Columbia Encyclopedia) n. (dī`nəsôr) [Gr.,=terrible lizard], extinct land reptile of the Mesozoic era. Please join us at our new website TerribleLizards.com and help start our new dinosaur community forum!

Spinosaurus Was Larger And More Fearsome Than T-Rex

Spinosaurus, which means "spine lizard", is the largest predatory dinosaur known to man, measuring 55 feet (17 meters) from nose to tail and weighing in at approximately 12 tons. Spinosaurus lived in the Cretaceous period, around 95 million years ago in an area that is now known as Egypt in northern Africa.

Until just a few years ago, scientists had believed that Tyrannosaurus Rex was the largest predatory dinosaur with the largest fossil specimen measuring 42 feet (13 meters) long. Tyrannosaurus Rex is believed to have weighed about 6.5 tons when it roamed Earth 67 million years ago. Gigantosaurus, another of the largest meat-eaters measured 45 feet (14 meters) in length and weighed approximately 8 tons.

Spinosaurus was a theropod which is a dinosaur that stood on two legs. Tyrannosaurus Rex and Gigantosaurus were also theropods.

Spinosaurus was first discovered in 1912 by German paleontologist Ernst Stromer while conducting a dig in Egypt.

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Spinosaurus possessed unique features among its dinosaur kind such as long, crocodile-like jaws and most notably, a large sail that was formed from spines that protruded from its backbone. It is thought that the sail might have helped to keep the animal cool by dissipating heat, and that perhaps it was used to attract a mate, or even to intimidate other dinosaurs. It is believed that the long, slender snout, filled with long interlocking teeth was used to feed on fish and other aquatic animals.

Scientific Classification Of Spinosaurus

Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
Order:	Saurischia
Suborder:	Theropoda
Superfamily:	Megalosauroidea
Family:	Spinosauridae
Genus:	Spinosaurus
Species:	Spinosaurus aegyptiacus
	Spinosaurus marocannus

Jurassic Park III

If you are a fan of Spinosaurus, you have got to check out the 2000 film Jurassic Park III! This movie features Spinosaurus in a number of scenes including one where he shows T-Rex just who's boss! It's as close a look as you'll ever get of the Spinosaur.

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We are currently busy working on an all new Spinosaurus website which we anticipate having completed by the end of the year. The new Spinosaur site will be in a Web 2.0 format and will contain much more content. Look for the all new Spinosaurus.com, Spinosaur.com and Spinosaur.us coming soon! Until then, please visit TerribleLizards.com and Dinosaurians.com.

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