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| navigate by keyword : apatosaurus apatosaurus3 art brontosaurus bronta dinosaurs excelsus film genus gigantic history lizard model monster quadruped reconstruction sauropod sauros scarry separate species style thunder yahnahpin | ||||||||||||||||||||||||||||||||||||||||
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| Brontosaurus is a genus of gigantic quadruped sauropod dinosaurs. Although the type species, B. excelsus, had long been considered a species of the closely related Apatosaurus,[3] researchers proposed in 2015 that Brontosaurus is a genus separate from Apatosaurus and that it contains three species: B. excelsus, B. yahnahpin, and B. parvus | ||||||||||||||||||||||||||||||||||||||||
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