Difference between Brontosaurus and Brachiosaurus - Testbook
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The Mighty Brontosaurus
The Brontosaurus is a type of sauropod dinosaur that roamed the Earth during the Late Jurassic period. This herbivorous dinosaur had a small head, a long and thin neck, and a long tail. Additionally, its hind legs were longer than its forelegs.
This genus includes three separate species: B.excelsus, B.parvus , and B.yahnahpin .
The Towering Brachiosaurus
The Brachiosaurus , another sauropod dinosaur from the late Jurassic period, stands out because of its massive size. Like the Brontosaurus, it was a herbivore with a long, thin neck. However, its forelegs were longer than its hind legs, resulting in a steeply inclined trunk. It also had a shorter tail compared to the Brontosaurus.
One of the most well-known species of this genus is the Brachiosaurus altithorax , which was identified by Riggs in 1903.
Comparing the Brontosaurus and Brachiosaurus
Brontosaurus |
Brachiosaurus |
|---|---|
| Known as the thunder lizard. | Known as the arm lizard. |
| Discovered by Othniel Chares Marsh in 1879. | Described by Elmer S.Riggs in 1903. |
| Weighed up to 15 metric tons and was 72 ft long. | One of the largest dinosaurs, weighing 28-58 metric tons and measuring 59-69 ft long. |
| Forelegs were shorter than hind legs. | Forelegs were longer than hind legs. |
| Ate grass and other ground vegetation. | Fed on tree canopies. |
| Had a long, whip-like tail. | Had a shorter tail. |
Further Reading: Fascinating Facts about Dinosaurs.
For more intriguing topics, explore our Biology section .
Frequently Asked Questions
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 Diplodocus.
What is a tyrannosaur?
Tyrannosaurus were carnivorous dinosaurs that fed on juvenile sauropods and hadrosaurs. The well-known species of tyrannosaur was T-rex. Most Tyrannosaurus 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).
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