Submitted by Waspie Dwarf: Fossils of a massive dinosaur unearthed a decade ago in the Republic of Niger, Africa, have been recognised as belonging to a new species. Scientists say Carcharodontosaurus iguidensis was one of the largest meat-eaters that ever lived, rivalling T. rex in size and ferocity. The 95-million-year-old fossils have been kept in a Chicago laboratory for several years, awaiting classification. A student stumbled on the remains and realised they were important. "It really is a fascinating animal - it was one of the largest meat eaters that lived on the planet," said Steve Brusatte, now an MSc student at the University of Bristol. "It's a new species - it is something totally different." Strange and scary: The dinosaur had a skull about 1.75m long housing huge jaws armed with teeth the size of bananas. It was part of a "very weird ecosystem" of huge bipedal carnivorous dinosaurs that inhabited the Saharan Cretaceous landscape. "It was a 13m long predator that still had to watch its own back because something bigger was out there - an animal called Spinosaurus," Brusatte told BBC News. Also known as the spine lizard because of its distinctive fin-like spines, Spinosaurus grew to 18m long, and lived alongside a third mighty carnivore - the 9m high Abelisaurid theropod. "It was a very strange, very scary community at that time," he added. Serendipity: The fossils were discovered in Niger in 1997 on an expedition led by the prominent fossil hunter Paul Sereno from the University of Chicago.The jawbone of a closely related species has been found Brusatte - who was 13 at the time - did not take part in the expedition but came across the remains while studying in Chicago. While cataloguing the skull and neck fossils, he noticed that they showed a number of differences from similar Carcharodontosaurus specimens found in Morocco.
