psittacosaurus Definition

psittacosaur, theropod, iguanodon, australopithecine, allosaurus, ankylosaurus, diplodocus, apatosaurus, hadrosaur, brachiosaurus, ornithopod, tyrannosaurus, archeopteryx, ankylosaur, tyrannosaur, deinonychus, triceratops, mosasaur, tyrannosaurus rex, pterosaur, trilobite, archaeopteryx, genus australopithecus, dinosaur, hominid, smilodon, protoceratops, coelophysis, ichthyosaurs, peccary, monotremes, theropod dinosaur, camarasaurus, hominoid, conodonts, flatfishes, sauropod dinosaur, plesiosaurs, hyraxes, placentals, guanacos, australopithecus africanus, sauropods, sifaka, horned dinosaur, stegodon, paranthropus, caecilians, baleen whale, ratite, ostracods, robustus, spiny anteater, dinosauria, eukaryote, insectivore, edmontosaurus, tetrapod, crocodilian, mangabeys, auks, giraffa camelopardalis, woolly rhinoceros, pongo pygmaeus, toothed whale, compsognathus, spotted hyena, fossils, placoderms, geochelone, pan troglodytes, metazoan, braincase, chordates, habilis, faunas, gracile, stegosaurs, placental mammal, canid, griffon vulture, bilaterally symmetrical, echinoderms, binturong, utahraptor, archosaur, mammuthus, bufo, mammal, forelimbs, tuataras, elephant shrew, coprolites, indri, jawless fish, ammonites, triassic period, crinoids, rheas, pipefish,