Achelousaurus (Achelous's Lizard)

Achelousaurus, "Achelous's lizard", is a genus of centrosaurine ceratopsid dinosaurs from the Late Cretaceous Period of what is now North America, dated to 74.2 million years ago.

Ceratops (Horned Face)

Reconstructed skull

Holotype

Reconstructed "Judith" specimen

         Ceratops (meaning "horn face") is a dubious genus of herbivorous ceratopsian dinosaur which lived during the Late Cretaceous. Its fossils have been found in Montana.