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 Dwarf Dinosaur Suffered from Jaw Tumor   Millions of years ago in what is now the central Romanian region of Transylvania, a dwarf dinosaur walked the earth with a non-cancerous facial tumor similar to those found today in humans, other mammals and some reptiles. The fossilized jaw of a Telmatosaurus transsylvanicus, a “type of primitive duck-billed dinosaur known as a hadrosaur,” was recently unearthed by researchers at the University of Southampton and is the first time a tumor has been discovered in a fossilized dinosaur. “This discovery is  the first ever described in the fossil record and the first to be thoroughly documented in a dwarf dinosaur,” Kate Acheson, a PhD student at the University of Southampton. “Telmatosaurus is known to be close to the root of the duck -billed dinosaur family tree, and the presence of such a deformity early in their evolution provides us with further evidence that the duck-billed dinosaurs were more prone to tumors than other dinosaur...