Richard Markgraf discovered the first partial Spinosaurus skeleton in 1912 in the Bahariya Formation of Egypt. This species is named Spinosaurus aegypticus. A second species, Spinosaurus moroccanus, was described by Dale Russell in 1996, but most paleontologists consider it a nomen dubium, or an invalid species.
If you mean, "When did Spinosaurus become extinct," the youngest known fossils are from about 97 million years ago. This was during the Cenemonian stage of the Cretaceous period, and they probably died out around that time.
spinosaurus died because its environment around it changed. It couldn't find enough food and it was outcompeted by other animals.
Spinosaurus died because of the ice age. It was the last living dinosaur and the last one of its kind wandered up north, where it died of freezing cold weather from the ice age.
Fossils of Spinosaurus are known from between 112 and 97 million years ago. Presumably, they died out around 97 million years ago.
The youngest known Spinosaurus fossils are from about 97 million years ago. This was during the Cenemonian stage of the Cretaceous period, and they probably died out around that time.
Spineosaurus http://en.wikipedia.org/wiki/Spinosaurus
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she did not die
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Die Monster Die ended in 1994.
Die Monster Die was created in 1991.
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