40 Interesting Facts About Brontosaurus

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Brontosaurus is a genus of sauropod dinosaurs from the family Diplodocidae and is one of the best known dinosaurs. Brontosaurus lived in the Upper Jurassic (Kimmeridgian to Tithonian) and its fossils were found in strata of the Lower and Middle Morrison Formation in western Wyoming and Utah found. The genus was long considered a synonym of Apatosaurus and only became a valid taxon again in an April 2015 revision of the Diplodocidae.

Interesting Facts About Brontosaurus

• The Brontosaurus was a herbivore.
• The name Brontosaurus means: “Thunder lizard”.
• The name Brontosaurus is pronounced: “BRONT-uh-SAWR-us”.
• Estimates put the weight of a Brontosaurus up to 17 tons.
• Estimates put the length of a Brontosaurus up to 72 feet.
• The Brontosaurus may have had a lifespan as long as 100 years.
• The nostrils of a Brontosaurus were located on the top of its head.
• The Brontosaurus was part of a group of dinosaurs known as Sauropods.
• It took about 10 years for a Brontosaurus to reach its full adult size.
• The Sinclair Oil Corporation uses the Brontosaurus as its logo and mascot.
• Brontosaurus fossils have been found in Wyoming, Colorado, Utah, and Oklahoma.
• They lived in the Late Jurassic Period between 146.8 and 156.3 million years ago.
• Othniel Charles Marsh found the first Brontosaurus bones in Wyoming in the 1870s.
• The Brontosaurus got its scientific name Brontosaurus excelsus in 1987, from O.C. Mash.
• Paleontologists believe the Brontosaurus had a lifespan up to and maybe even over 100 years.
• In 1989, the United States Post Office issued four new stamps that included the Brontosaurus.
• The Brontosaurus' scientific name is Brontosaurus excelsus. It was a member of the sauropod family.

Amazing Facts About Brontosaurus

• There are three recongized specices of Brontoasaruses and they are B. excelsus (type species), B. parvus and B. yahnahpin.
• The Brontosaurus is believed to have been one of the largest dinosaurs to have ever roamed the earth. It walked on all four legs.
• The Brontosaurus was discovered in 1879, by Yale University professor O.C. Mash, in the Morrison Formation at Como Bluff in Wyoming.
• It is believed that the Brontosaurus may have spent a great deal of time holding its neck parallel to the ground to help ensure a constant blood pressure.
• It is believed that because of its large size and body composition the Brontosaurus likely moved fairly slowly when compared to many other dinosaur species.
• In 1903 a paleontologist determined that Marsh's discovery of the Brontosaurus was not a new species but was instead just the adult version of the Apatosaurus.
• The eggs of the Brontosaurus are believed to have been about a foot long. It is believed the young Brontosaurus' took roughly ten years to reach their full size.
• The Flintstones was a popular cartoon that had a pet named Dino that was supposed to be a Brontosaurus. Bronto-burgers were also a popular menu item in the cartoon.
• Most of the Brontosaurus fossils that have been found did not have skulls. It is believed that they had small heads and small brains and were likely not highly intelligent.
• By the time the observation was made that the Brontosaurus was really a grown up Apatosaurus the name had already become very popular and most people continued to refer to it by that name.

Scientific Facts About Brontosaurus

• Scientists believe that the Brontosaurus' tail was likely used as a whip to help deter natural predators. The sound of the tail when it cracked like a whip may have been their only defense.
• The Brontosaurus was a plant eater, considered to be an herbivore. It is believed they had stones in their guts that they ingested that helped to digest the large amount of plants they consumed but didn't chew.
• The Brontosaurus has sturdy but short legs. Some scientists believed that they may have lived in swamps and other bodies of water to help support their massive weight, but further research contradicted these ideas.
• For a while, the Brontosaurus and Apatosaurus were considered the same species. However, new research in 2015 determined the fossils of both the Brontosaurus and Apatosaurus were different enough to belong to their own separate groups.

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