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Brachiosaurus, brak ee uh SAWR uhs or bray kee uh SAWR uhs, was a gigantic, plant-eating dinosaur that lived about 150 million years ago in what are now Africa and North America. The name Brachiosaurus means arm lizard. Unlike most dinosaurs, Brachiosaurus had arm bones that were longer than its leg bones. These long arm bones placed the shoulders higher than the hips, and so the body sloped down from the base of the neck to the tail. More »
Extinct animal. A species of animal becomes extinct when every one of its kind has died.... More >>
Paleobotany, pay lee oh BOTuh nee, is the study of ancient plants. Paleobotany is a branch of... More >>
Paleontology, pay lee on TOL uh jee, is the study of animals, plants, and other organisms that... More >>
Petrified forest, PEHT ruh fyd, is made up of tree trunks that were buried in mud, sand, or... More >>
Talgai skull, a partly fossilized human skull, was discovered in 1884 near Warwick on the Darling... More >>
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