Tyrannosaurus
Late Cretaceous · Carnivore
Tyrannosaurus had powerful jaws and teeth shaped for crushing and tearing meat.
The Dinomus field guide
32 dinosaurs and prehistoric facts
Meet dinosaurs big and small, discover when they lived, what they ate, and the special features that made each one remarkable.
Showing 32 names
Triceratops
Late Cretaceous · Herbivore
Its three horns and broad neck frill may have helped with display and defense.
Stegosaurus
Late Jurassic · Herbivore
Stegosaurus carried two rows of plates along its back and spikes on its tail.
Velociraptor
Late Cretaceous · Carnivore
This turkey-sized hunter had feathers and a curved claw on each foot.
Pterodactyl
Late Jurassic · Carnivore
Pterodactyls were flying reptiles called pterosaurs, not dinosaurs.
Spinosaurus
Late Cretaceous · Carnivore
Its long snout, cone-shaped teeth, and dense bones suited life around rivers.
Parasaurolophus
Late Cretaceous · Herbivore
Its long hollow crest may have helped it make deep, trumpet-like calls.
Styracosaurus
Late Cretaceous · Herbivore
Styracosaurus had a large nose horn and a crown of long spikes around its frill.
Tarbosaurus
Late Cretaceous · Carnivore
A close Asian relative of Tyrannosaurus, it was one of its habitat's largest predators.
Therizinosaurus
Late Cretaceous · Herbivore
Therizinosaurus had enormous hand claws that may have helped it pull down branches.
Pachycephalosaurus
Late Cretaceous · Herbivore
The top of its skull formed a thick, rounded dome surrounded by bony knobs.
Monolophosaurus
Middle Jurassic · Carnivore
Its name means “single-crested lizard” after the ridge along the top of its skull.
Iguanodon
Early Cretaceous · Herbivore
Iguanodon had a pointed thumb spike and could move on two legs or four.
Giganotosaurus
Late Cretaceous · Carnivore
This giant predator lived in South America and had long, blade-like teeth.
Gallimimus
Late Cretaceous · Omnivore
Gallimimus had long legs, a toothless beak, and a body built for speedy running.
Dreadnoughtus
Late Cretaceous · Herbivore
Dreadnoughtus was a huge long-necked titanosaur known from a remarkably complete skeleton.
Dracorex
Late Cretaceous · Herbivore
Its dramatic skull had spikes and knobs, inspiring a name that means “dragon king.”
Diplodocus
Late Jurassic · Herbivore
Diplodocus balanced its long neck with an even longer whip-like tail.
Dimetrodon
Early Permian · Carnivore
Dimetrodon lived before the dinosaurs and was a closer relative of mammals.
Dilophosaurus
Early Jurassic · Carnivore
Dilophosaurus had two thin, curved crests on top of its head.
Deinonychus
Early Cretaceous · Carnivore
Its name means “terrible claw,” referring to the large curved claw on each foot.
Corythosaurus
Late Cretaceous · Herbivore
Its helmet-shaped hollow crest may have amplified calls used to communicate.
Carnotaurus
Late Cretaceous · Carnivore
Carnotaurus had two horns above its eyes and unusually tiny arms.
Brontosaurus
Late Jurassic · Herbivore
This massive sauropod used its long neck to reach plants while standing on four sturdy legs.
Brachiosaurus
Late Jurassic · Herbivore
Its front legs were longer than its back legs, lifting its shoulders and neck high.
Borealopelta
Early Cretaceous · Herbivore
An exceptionally preserved fossil revealed its armor and reddish-brown camouflage pattern.
Baryonyx
Early Cretaceous · Carnivore
Baryonyx had a crocodile-like snout and a huge claw on each hand.
Argentinosaurus
Late Cretaceous · Herbivore
Argentinosaurus was one of the largest land animals known to science.
Archaeopteryx
Late Jurassic · Carnivore
Archaeopteryx had feathers and wings as well as teeth, claws, and a long bony tail.
Ankylosaurus
Late Cretaceous · Herbivore
Bony armor protected its back, while a heavy tail club could help deter attackers.
Allosaurus
Late Jurassic · Carnivore
Allosaurus was a large predator with three clawed fingers on each hand.
Amargasaurus
Early Cretaceous · Herbivore
Two rows of tall spines rose from its neck and may have supported a display structure.