The unique size and shape of the bones from Spinosaurus mirabilis — the first Spinosaurus species discovered in over a century — gives important clues to the history of spinosaurids on Earth.

Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question.

A new Spinosaurus species has been unearthed from the Saharan desert, and its skull bears a magnificent crest never seen before on this kind of dinosaur. Paleontologists have named it Spinosaurus mirabilis,

Scientists in Niger have identified Spinosaurus mirabilis, a 40-foot predator that lived in freshwater habitats 95 million years ago.

Spinosaurus in the Sahara Desert in Niger, a discovery that adds to the debate over whether the prehistoric creatures were fully or semi-aquatic]]>

From riverbanks to shallow lakes, Spinosaurus combined display, biomechanics and hunting power in one of evolution’s strangest designs.