Difference between Brontosaurus and Brachiosaurus

Brontosaurus

Brontosaurus was a sauropod dinosaur that lived during the Late Jurassic time period. It had a small head attached to a slender neck to support its herbivorous lifestyle. Its forelegs were comparatively shorter than its hind legs. Also, it had a long tail.

Brontosaurus

The three distinct species under this genus are – B.excelsus, B.parvus and B.yahnahpin.

Brachiosaurus

Brachiosaurus was the most iconic and large sauropod dinosaur that lived during the late Jurassic period. It was also a herbivore with a long and slender neck. It usually grazed the tree canopies. Its forelegs were longer than its hind legs. Thus, its trunk was also steeply inclined. Also, it had a shorter tail.

Brachiosaurus

Brachiosaurus altithorax was one of the earliest species named by Riggs in 1903. Also, it was one of the most complete specimen obtained in this genus.

Difference between Brontosaurus and Brachiosaurus

Brontosaurus

Brachiosaurus

It was also known by the name thunder lizard. It was called an arm lizard.
It was discovered by Othniel Chares Marsh in 1879. It was first described by Elmer S.Riggs in 1903.
It was an elephant-like herbivore. It was a giraffe-like herbivore.
It weighed up to 15 metric tons and was 72 ft long. It was one of the largest dinosaurs that weighed 28-58 metric tons and 59-69 ft long.
Its forelegs were shorter than its hind legs. It had long hind legs and much longer forelegs.
It ate grass and other ground vegetation. It was a high browser that fed on tree canopies.
It had a whip-like long tail. It had a comparatively shorter tail.

Also Read: Facts about Dinosaurs.

Frequently Asked Questions on Difference between Brontosaurus and Brachiosaurus

What is a sauropod?

The word ‘sauropod’ means ‘lizard-footed’. Sauropoda is a clade of dinosaurs. They usually have a small head attached to a long, slender neck. This clade includes plant-eating dinosaurs like the Brontosaurus, Brachiosaurus, Apatosaurus and the Diplodocus.

What is a tyrannosaur?

Tyrannosaurs were carnivorous dinosaurs that fed on juvenile sauropods and hadrosaurs. The well-known species of tyrannosaur was T-rex. Most tyrannosaurs had a massive skull, which was balanced by their short body and long tail. They could grow up to 40 feet in length (comparatively shorter than the sauropods).

Extended Reading: Tyrannosaurus rex

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