The Word The Dreadnoughtus effect: Why dinosaurs have awesome names What do you call a gigantic lizard no human will ever see? ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Explore the meaning behind these monikers. Dinopedia Spinosaurus Aegyptiacus: “Spined lizard of Egypt.” Corey Ford/Getty Images Diabloceratops: "Devil-horned face." Wikia Sauroniops: "Eye of Sauron," a Lord of the Rings reference. Carnegie Museum of Natural History Anzu: Named after a Sumerian bird demon. Carnegie Museum of Natural History Dreadnoughtus Schrani: Named after a British battleship. AP Top: Tyrannosaurus Rex, "tyrant lizard king." Bottom: Raptorex, "robber king."