Definition of apatosaurus
: any of a genus (Apatosaurus of the family Diplodocidae) of very large, herbivorous, sauropod dinosaurs that lived during the Late Jurassic period and reached a length of over 65 feet (20 meters) and a height of 12 feet (3.7 meters) and are thought to have attained a weight of up to 30 tons (27 metric tons) ◆Apatosauruses were first identified as being of a separate genus (Brontosaurus) and continue to be commonly called brontosauruses or brontosaurs based on this earlier and now invalid classification.
Recent Examples of apatosaurus from the Web
Kids can also meet a baby apatosaurus, take an exciting spin in the Jurassic Jeeps and play in themed bounce houses, dig for fossils, do crafts, enjoy face-painting and more.
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Origin and Etymology of apatosaurus
New Latin, from Greek apatē + sauros lizard
First Known Use: 1878See Words from the same year
APATOSAURUS Defined for Kids
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