Agathaumas Information tells us about its characteristics, diet, habitat etc.Agathaumas diet tells us whether it is carnivorous, herbivorous or omnivorous. Herbivores feed on plants and grass, whereas the carnivores feed on other animals or even other dinosaurs. Omnivores eat both animal and plants. Depending on its diet, we can say that it is Herbivore. The meaning of the name will also tell you something about that dinosaur. The correct pronunciation of it is Ag-ah-fow-muss.