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The dinosaurs can be grouped into three primary families: Sauropods, Theropods, and Ornithiscians. Sauropods were long-necked dinosaurs like Apatosaurus, theropods were bipedal dinosaurs like raptors, and Ornithiscians included triceratops.
Sauropods are long-necked dinosaurs. Most of them were plant-eaters, like Apatosaurus, Brontosaurus, and Diplodocus. Brachiosaurus was gigantic, even among other dinosaurs. These plant-eaters ate enormous amounts of pine needles. See some Play Doh molds of sauropods below.
Ornithiscian is a fun word that means "bird-hipped." Ornithiscians came in all shapes and sizes. Some had horns like triceratops. Some had plates, like Stegosaurus. Others were part of the duckbill family. All of these examples are plant-eaters. The Ornithiscian Play Doh models are highlighted in white below.
Theropods were bi-pedal dinosaurs, meaning they ran on two legs. Many Theropods were meat-eaters, like Tyrannosaurus and Allosaurus. Other important Theropods were raptors, like Velociraptor and Deinonychus. An important fact about Theropods is that they didn't all go extinct. In fact, you might have Therapods flying around in your backyard. They are birds today. The Theropod Play Doh molds are highlighted in white below.