Apatosaurus excelsus

Thesaurus

Noun

1.Apatosaurus excelsus - huge quadrupedal herbivorous dinosaur common in North America in the late Jurassicapatosaur, apatosaurus, brontosaur, brontosaurus, thunder lizardsauropod, sauropod dinosaur - very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head a long neck and tail and five-toed limbs; largest known land animalgenus Apatosaurus, genus Brontosaurus - large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic