apatosaurus

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Related to apatosauruses: brontosaurus
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Synonyms for apatosaurus

huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic

References in periodicals archive ?
His research also suggests that long-necked dinosaurs such as apatosauruses, long suspected and often depicted as tree-top nibblers, more likely dined on low-lying brush or even aquatic plants based on the structure of their vertebrae.