Affixes

An animal that is saurian is a lizard or like a lizard; as a noun, it refers to any large reptile, but especially a dinosaur or other extinct form; the saurischians (Greek iskhion, hip joint) are dinosaurs of an order distinguished by having a pelvic structure resembling that of lizards, of which an example is a sauropod (Greek pous, pod‑, foot), a very large herbivorous dinosaur; a sauropterygian (Greek pteron, feather, wing) is one of various extinct aquatic reptiles of the Mesozoic Era.