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Scientists have announced that the bones of a new, even larger dinosaur have been found. Argentinosaurus currently holds the record for being both the heaviest land animal ever, and the longest, but the fossilized bones of the biggest dinosaur ever discovered have been found in Argentina. Scientists believe the species of titanosaur weighed in at 170,000 pounds, as heavy as 14 African elephants.
The best known species is S. aegyptiacus from Egypt, although a potential second species, S. maroccanus, has been recovered from Morocco. Spinosaurus was among the largest of all known carnivorous dinosaurs, possibly larger than Tyrannosaurus and Giganotosaurus.wo species of Spinosaurus have been named: Spinosaurus aegyptiacus (meaning Egyptian spine lizard) and Spinosaurus maroccanus (meaning Moroccan spine lizard). The first described remains of Spinosaurus were found and described in the early 20th century.