(Encyclopedia) dinosaurdinosaurdīˈnəsôr [key] [Gr., = terrible lizard], extinct land reptile of the Mesozoic era. The dinosaurs, which were egg-laying animals, ranged in length from 21&fslsh;2 ft…
GiganotosaurusLeg bonesHip bonesForelimbsSkullsIn the middle of the 19th century, the first fossil skeletons of some extraordinary creatures were unearthed. These skeletons are of the dinosaurs –…
The different functions of a museumDinosaur displays in museums can take many forms. Original fossils are shown in glass cases, often presented in the rock in which they are embedded. Complete…
Triassic habitats (250–200 million years ago)Jurassic habitats (200–145 mya)Cretaceous habitats (145–65 mya)Not all the dinosaurs lived at the same time. Nor did they all live in the same part of…
Impact craterDeath from spaceOther dinosaur extinction theoriesAbout 65 million years ago, at the end of the Cretaceous Period, the Earth was affected by major changes to its environment. Animal…
Bound for the arcticHazardous journeysTravelling as a herd provides safety in numbers because it is difficult for a hungry predator to pick out just one animal for slaughter. Group members can also…
Geological timescaleTriassic period: 250–200 million years agoJurassic period: 200–145 million years agoCretaceous period: 145–65 million years agoDinosaurs roamed the planet for about 165 million…
(Encyclopedia) Barney, JoshuaBarney, Joshuabärˈnē [key], 1759–1818, American naval officer and privateer, b. Baltimore. He entered the navy early in the American Revolution, engaged in many feats of…
(Encyclopedia) Frank, Barney, 1940–, American congressman, b. Bayonne, N.J., grad. Harvard (B.A., 1962; J.D., 1977). A liberal Democrat, he began his political career as chief assistant to Boston…
All about the amazing creatures who once ruled the planet.
List of State Dinosaurs
Did you know that most of the U.S. states have a special state dinosaur to call their own? Check out our list and…
