Spinosaurus Was a Good Floater but Lousy Swimmer
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 ...
The Largest Carnivorous Dinosaur May Not Have Been T. Rex
They lived about 30 million years apart and never set foot on the same continent. Yet Giganotosaurus carolinii is always ...