Dinosaurs

  Smilodon is better known as the sabre-toothed cat. This large muscular feline had massive dagger-like fangs and is well known from thousands of s...

  The woolly mammoth is a close relative of modern elephants. Its hairy coat helped it to keep warm while it foraged for grasses to eat during the ...

The Woolly Rhinoceros was a prehistoric beast resembling the rhinos of today, except that it was covered in a thick fur to protect it from the free...

Liopleurodon was a large carnivorous marine reptile (more than 20 feet in length) that lived during the Middle Jurassic Period (160-155 million yea...

Megatherium, the so-called ‘giant sloth’, was a massive ground-dwelling relative of modern sloths. This particular species, Megatherium americanum,...

Velociraptor was a small, carnivorous dinosaur that lived in Mongolia during the Late Cretaceous, 71 to 75 million years ago. Unlike the fictional ...

Though not quite as well known as Tyrannosaurus Rex, Allosaurus was just as fearsome. This Jurassic Predator had sharp claws and teeth to help it h...

The coelacanth is the common name of a large marine fish that is found today near the Comoro Islands off the east coast of Africa. It belongs to an...

Postosuchus was a large predator that prowled North America at the beginning of the age of the dinosaurs, approximately 210 million years ago. It w...

Tyrannosaurus rex, the so-called ‘king of the tyrant lizards’, is probably the most famous dinosaur of all time. At up to 40 ft long, it remains on...

One of the most well-known dinosaurs of all time, Triceratops is easily recognized by its two large brow horns, its short nose horn and its large ...

One of the most unique Theropod dinosaurs ever discovered, Carnotaurus had many features that make it unlike any other dinosaur, including its unus...

Deinonychus was a larger relative of Velociraptor. Like its smaller cousin, it had an extra large claw on each foot that helped it subdue its prey....

Mosasaurus was a large marine lizard that lived during the Late Cretaceous Period (70-66 million years ago) in shallow seas that covered what is no...

  The three-horned Triceratops is the most famous – and most gigantic – of all the horned dinosaurs. This iconic animal browsed for plants in North...

Doedicurus is an extinct armored plant-eating armadillo. Its heavy bony armor and spiked tail club helped protect it from sabre-toothed predators a...

Though similar in appearance to the woolly mammoth, the American mastodon is not closely related. The mastodons split from the other members of the...

Tapejara was a pterosaur that lived in what is now Brazil during the Cretaceous Period (112 million years ago). Pterosaurs were flying reptiles. A...

The fearsome looking Hyaenodons were the top predators of their day, reigning for over 25 million years from the Eocene to the Miocene epochs. Thou...

Brachiosaurus was one of the tallest long-necked dinosaurs. This ground shaking herbivore occupied North America during the Late Jurassic, about 15...

Dunkleosteus was a huge (about 20 feet long and about one ton in weight) carnivorous fish that lived during the Devonian Period (380-360 million ye...

PachycephalosaurusNo. 100350The distinctive dome-headed Pachycephalosaurus is believed to have used its thick skull during combat with others of it...

The strange-looking Macrauchenia seems like a cross between a llama and an elephant. It lived in South America during the last Ice Age roughly 10,0...

Camarasaurus was a large sauropod dinosaur, growing up to 75 feet long. It lived during the Late Jurassic Period, 150 million years ago, and is kn...

Triceratops was a large herbivorous horned dinosaur that lived during the very end of the Cretaceous Period (68-66 million years ago) in what is n...

Daeodon was an entelodont – a group of prehistoric hoofed mammals that resembled pigs. In fact, Daeodon was once known as “Dinohyus” which means “T...

Pteranodon was a large pterosaur from the Late Cretaceous Period, around 85 million years ago. Despite often being grouped with dinosaurs, pterosau...

Kronosaurus belongs to a marine reptile group called pliosaurs. This toothy predator cruised the oceans during the early Cretaceous, about 120 mill...

Kaprosuchus shows that prehistoric ‘crocs’ were more diverse than crocodiles today. This extinct relative of modern crocodiles had tusk-like fangs ...

Prestosuchus was a predatory reptile that lived during the Triassic Period in South America around 240 million years ago. It could grow over 20 fee...

Second perhaps only to Triceratops as the most well-known Ceratopsian, Styracosaurus lacked the eyebrow horns of its cousin, but more than made up ...

  Velociraptor was a small theropod dinosaur (about the size of a large turkey) that lived in what is now Mongolia during the Late Cretaceous Perio...

Pterosaurs were the first reptiles to develop powered flight. They lived for a long time, from the Late Triassic to the End of the Cretaceous (228...

Albertosaurus Toy Dinosaur FigureThis relative of Tyrannosaurus Rex was smaller and more lightly built, but it was still a formidable predator of t...

One of the most popular and well-known dinosaurs, Stegosaurus was a very unique looking dinosaur, with its large armored plates and distinctive ta...

Rhamphoryhnchus was a pterosaur, or flying reptile, that lived in the Late Jurassic (about 150 million years ago) in what is now Europe. Although i...

Allosaurus is one of the best known large carnivorous dinosaurs from North America and Europe. It hunted during the Jurassic, around 150 million ye...

Dilophosaurus lived in the Early Jurassic Period, 200 million years ago. It grew to over 20 feet in length, which isn’t large when compared to late...

Brachiosaurus was a large sauropod dinosaur that lived during the Late Jurassic (155-150 million years ago) in what is now western North America. ...

Spinosaurus was a large, fish-eating dinosaur found in Egypt and Africa. As more and more remains of this dinosaur are found, scientists can begin ...

Megacerops was very similar to modern day rhinos, but was not closely related. It actually belonged to a group of prehistoric animals called Bronto...

Anzu wyliei represents the first well-known fossil evidence of oviraptorosaur dinosaurs in the United States. It lived in what is now North and Sou...

Tyrannosaurus rex might be scary, but this baby T-Rex toy figure is adorable - and looks like it stepped right out of the hit Amazon kids' TV show ...

Apatosaurus was a sauropod dinosaur that lived during the Late Jurassic Period (about 152 million years ago) in what is now western North America. ...

Megalodon was a huge shark (almost 60 feet in length) that lived during the Cenozoic Era (23-2.6 million years ago). It probably looked like a larg...

The sail-backed Spinosaurus is one of the largest carnivorous dinosaurs ever discovered, able to reach nearly 50 feet long! The exact purpose of it...

Diabloceratops is an early member of the Ceratopsidae, or horned dinosaur that lived during the Late Cretaceous (81-76 million year ago) of Utah. L...