Hadrosaurus (Greek:sturdy lizard) is a hadrosaurid dinosaur genus. In 1858, a skeleton of a dinosaur from this genus was the first full dinosaur skeleton found in North America and, in 1868, it became the first ever mounted dinosaur skeleton. Hadrosaurus foulkii is the only species in this genus and, as of 1991, is the official state dinosaur of New Jersey - a decision brought about by a local teacher, Joyce Berry.