Spinosaurus Fossils

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Spinosaurus Fossils

Spinosaurus fossils were first found in the Bahariya Formation of western Egypt - this fact is even reflected in the name chosen for the first species of Spinosaurus to be discovered - Spinosaurus aegyptiacus.

Subsequently additional Spinosaurus fossils have been found in several other North African countries, suggesting that it lived across quite a wide area.

Here is a list of the main Spinosaurus fossils found so far (inaddition a number of small fragmentary remains and teeth have also been found at various North African locations):

Discovered By
Catalog Number
Bahariya Formation, Egypt
Ernst Stromer
BSP 1912 VIII 19
This specimen consisted of various parts of the jaw, teeth, vertebrae, several ribs, and some neural spines. Stromer dated this specimen as being 97 million years old, and it was from this specimen that he described. and named Spinosaurus aegyptiacus. Unfortunately, in 1944, a World War II British bombing raid on Munich which severely damaged the Paläontologisches Museum München, resulted in the destruction of this specimen.
Kem Kem Beds, Morocco
? (described by Cristiano Dal Sasso)
This specimen consists of nasals and part of the skull between the eyes.
Kem Kem Beds, Morocco
? (described by Cristiano Dal Sasso)
MSNM V4047
This specimen consists of parts of the snout and nasals.
Kem Kem Beds, Morocco
? (described by Dale Russell)
NMC 50791
This specimen is a vertebra. Based on this and other specimens, Dale Russell identified a second Spinosaurus species, Spinosaurus maroccanus. Not all paleontologists agree that this is a valid second species.
? (described by P. Taquet and Dale Russell)
This specimen consists of parts of a snout. Taquet and Russell described this as being another example of Spinosaurus maroccanus.
? (described by Buffetaut and Ouaja)
This specimen consists of parts of an animal's jaw and some teeth. It has been described as being extremely similar to other examples of Spinosaurus aegyptiacus.

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