Macrogryphosaurus (meaning "big enigmatic lizard") is a genus of basal iguanodontid dinosaur from Late Cretaceous Argentina. It was described by Jorge Calvo and colleagues, with? M. gondwanicus? as the type species. It is known from only a partial skeleton. It is estimated at about six metres long.
Images 500
Community content is available under CC-BY-SA unless otherwise noted.