For prehistoric scholars, Spinosaurus has been a very elusive dinosaur. Its fossils are rare, and those that are found (Spinosaurus skull bones, tail vertebrae, limb bones) tend to be fragmented or ...

60.5 x 121.5 cm. (23.8 x 47.8 in.) 64 x 125 x 4 cm. (25.2 x 49.2 x 1.5 in.) ...

Dr Ibrahim, who unearthed parts of a Spinosaurus skeleton in North Africa's Sahara Desert in 2014, described it as having retracted nostrils, short hind legs, paddle-like feet and a fin-like tail.

The researchers at the University of Portsmouth say their discovery of 1,200 dinosaur teeth "proves beyond reasonable doubt" that Spinosaurus was an "enormous river-monster". Its dental remains ...