Once including many similar dinosaurs, Iguanodontidae now includes only Iguanodon, the rest being considered more like "ladder rungs" towards the hadrosaurids rather than the "tree branches" of a true taxanomic 'family'. Listed below are some members of the former "Iguanodontidae" that appear in Dinosaur King for convenience.
As ornithopods, "iguanodontids" are Grass Dinosaurs.