Allosaurus

Allosaurus, al uh SAWR uhs, was a large, meat-eating dinosaur that lived about 150 million years... More >>

Ankylosaurus

Ankylosaurus, ang kuh luh SAWR uhs, was a large, armored dinosaur that lived between 68 million... More >>

Apatosaurus

Apatosaurus, uh pat oh SAWR uhs or ap uh toh SAWR uhs, was a giant, plant-eating dinosaur that... More >>

Archaeopteryx

Archaeopteryx, ahr kee OP tuhr ihks, is the name of a genus (group) of feathered animals that... More >>

Baryonyx

Baryonyx, bar ree ON ihks was a large dinosaur that may have eaten mostly fish. It measured over... More >>

Brachiosaurus

Brachiosaurus, brak ee uh SAWR uhs or bray kee uh SAWR uhs, was a gigantic, plant-eating dinosaur... More >>

Camptosaurus

Camptosaurus, KAMP tuh sawr uhs, was a relatively large plant-eating dinosaur from what are now... More >>

Compsognathus

Compsognathus, komp SOG nuh thuhs, was one of the smallest known dinosaurs. It grew to about the... More >>

Corythosaurus

Corythosaurus, kaw RIHTH uh SAWR uhs, was a large plant-eating dinosaur known for the hollow,... More >>

Deinonychus

Deinonychus, dy NON ih kuhs, was a small, meat-eating dinosaur. It grew about 9 feet (2.7 meters)... More >>

Deltatheridium

Deltatheridium, dehl tuh thuh RIHD ee uhm, was an opossumlike mammal that lived about 80 million... More >>

Dimetrodon

Dimetrodon, DY meht ruh don, was an early prehistoric animal from what is now North America. It... More >>

Dinosaur

Dinosaur is the name of a group of prehistoric reptiles that ruled Earth for about 160 million... More >>

Diplodocus

Diplodocus, duh PLOD uh kuhs, was an extremely long, slender, plant-eating dinosaur that lived... More >>

Elephant bird

Elephant bird is any one of about seven species of giant extinct birds that once lived on the... More >>