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It was on of the first materials ever synthesized by man

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Keichousaurus (meaning "Kweichow lizard") is an extinct genus of pachypleurosaurian marine reptile from the Chialingchiang and Falang Formations of China with two known species attributed to the genus: K

These unusual Pyrite specimens are found imbedded in compacted slate

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Spinosaurus Digit and Claw e5d0fe6e4425bd2d770be0071bd92987 It was on of theSpinosaurus is a genus of theropod that roamed northern Africa during the cretaceous period. It is known for being the largest carnivorous dinosaur in the fossil record. This monstrous beast not only walked the lands but also was adept at swimming in the seas. Their remains are found in what is now the Sahara Desert. During the Cretaceous time period this area would have been a massive floodplain and mangrove forest. Spinosaurus had a distinct sail on