The species is a ”non-hadrosaurid hadrosauroid,” a species that looks like the well-known hadrosaurids, but has actually ...

Scientists put their “stamp” on prehistory after discovering a massive dinosaur footprint in Mongolia said to have belonged to one of the largest two-legged animals ever to roam the Earth.

“What we can tell from this ... is that a T-rex engaged a living hadrosaur,” said lead author Robert DePalma, of the Palm Beach Museum of Natural History in the US state of Florida.

Fossil hunters have discovered dozens of other species of hadrosaurs (the largest group of duck-billed dinosaurs), since Haddy was first uncovered in a marl pit on a Haddonfield farm in 1838.

one of the largest in Japan and possibly a new species. The Nagasaki prefectural board of education and the Fukui Prefectural Dinosaur Museum, which have been conducting archaeological research ...

Until now, the largest known hadrosaurid skeleton belonged to Shantungosaurus, discovered in Shandong province, China, which reached 16 meters in length.