Dinosaurs Sitemap - Page 6 2016-09-26

Ornithopod Dinosaurs - Evolution and Behavior
Ornithopods--small- to medium-sized, mostly bipedal plant-eaters--were among the most common dinosaurs of the Mesozoic Era, roaming the plains and woodlands in vast herds. Here's what we currently know about these plant-eaters, along with a list of notable genera.

Hadrosaurs - The Duck-Billed Dinosaurs
Hadrosaurs, the duck-billed dinosaurs, were large, low-slung plant eaters equipped with tough beaks. Here's a look at how paleontologists classify duck-billed dinosaurs, as well as a list of notable genera ranging from Acristavus to Zhuchengosaurus.

Mosasaurs - The Deadly Marine Reptiles
The marine reptiles known as mosasaurs were sleek, vicious, and fast, which made them the terror of the late Cretaceous period. Here's everything you need to know about these dangerous marine predators.

70 Million Years of Primate Evolution
The first primate ancestors appeared on earth around the time the dinosaurs went extinct--and diversified, over the next 65 million years, into monkeys, lemurs, great apes and (a relatively recent development) human beings. Here's everything you need to know about primate evolution, along with a list of important species.

Primate Evolution - The Story of Prehistoric Primates
Everything you need to know about the 65 million years of primate evolution, from monkeys and great apes to a relatively recent development, human beings. Page 2.

The Evolution of the First Tetrapods
400 million years ago, give or take a few million years, a brave fish climbed out of the water and onto dry land, armed with primitive lungs and four stumpy limbs. Here's what we know about the first tetrapods that blazed the trail for the earth's land-dwelling animals.

500 Million Years of Fish Evolution
The first vertebrates on the planet, prehistoric fish lay at the root of hundreds of millions of years of evolution. Here's everything you need to know about the evolution (and extinction) of ancestral fish.

50 Million Years of Whale Evolution
It may be hard to believe, but the story of whale evolution begins with terrestrial, dog-sized mammals that roamed central Asia about 50 million years ago. Here's what we currently know about whale evolution, along with profiles of the most important whale species.

Elephant Evolution: Phosphatherium to Woolly Mammoth
Modern elephants belong to a long and distinguished evolutionary line that dates back 60 million years, to shortly after the extinction of the dinosaurs. Here's what we know about the evolution of elephants, along with profiles of prehistoric genera ranging from Amebelodon to Tetralophodon.

The Giant Mammals of the Cenozoic Era
It seems that every animal on earth grew to giant sizes two, 20, or even 40 million years ago--witness the Giant Wombat, the Giant Beaver and the Giant Sloth, to name just three. Here's everything you need to know about the giant megafauna, mammalian and otherwise, that prospered after the age of the dinosaurs.

Titanosaurs - The Last of the Sauropods
Titanosaurs were mysterious plant-eating dinosaurs whose partial remains have been unearthed all over the world. Here's a look at how titanosaurs are classified, along with profiles of genera ranging from Aegyptosaurus to Uberabatitan.

300 Million Years of Amphibian Evolution
During the Carboniferous period, over 300 million years ago, the first tetrapods evolved features that allowed them to prosper on land as well as in water. For tens of millions of years, these early amphibians were the dominant terrestrial animals on earth, paving the way for the reptiles (and dinosaurs) that eventually followed.

400 Million Years of Shark Evolution
Sharks are among the oldest and most successful vertebrates on earth; the first species appeared about 420 million years ago and their descendants have survived down to the present day. Here's everything you need to know about the behavior and evolution of prehistoric sharks.

Yes, Birds Evolved from Dinosaurs - and Here's How
Bird evolution commenced with the small, feathered theropods of the Jurassic period, and after these dinosaurs went extinct, birds spread to fill every available ecological niche--hunters, flyers, swimmers and more. Here's everything you need to know about the evolution (and extinction) of birds.

All About Saber-Toothed Cats
They weren't technically tigers, but saber-toothed cats were every bit as dangerous to the grazing mammals (and early hominids) of their day. Here's a look at saber-tooth evolution and lifestyles, along with profiles of various species.

Eusmilus Picture
A picture of the prehistoric cat Eusmilus. Page 3.

Homotherium Picture
A picture of the prehistoric cat Homotherium. Page 4.

Hoplophoneus Picture
A picture of the prehistoric cat Hoplophoneus. Page 5.

Machairodus Picture
A picture of the prehistoric cat Machairodus. Page 6.

Megantereon Picture
A picture of the prehistoric cat Megantereon. Page 7.

Nimravus Picture
A picture of the prehistoric cat Nimravus. Page 8.

Proailurus Picture
A picture of the prehistoric cat Proailurus. Page 9.

Smilodon Picture
A picture of the prehistoric cat Smilodon. Page 10.

Thylacosmilus Picture
A picture of the prehistoric cat Thylacosmilus. Page 11.

Xenosmilus Picture
A picture of the prehistoric cat Xenosmilus. Page 12.

Dinictis Picture
A picture of the prehistoric cat Dinictis.

Dinofelis Picture
A picture of the prehistoric cat Dinofelis. Page 2.

10 Prehistoric Animal Battles that Could (and Probably Did) Happen
Could Triceratops beat Tyrannosaurus Rex in one-on-one combat? How about Allosaurus vs. Stegosaurus, or Megalodon vs. Leviathan? Here's a blow-by-blow description of 10 prehistoric title fights.

Can We Clone a Dinosaur?
Can we clone a dinosaur, as depicted in the movie Jurassic Park? The scientific challenges are much more insurmountable than you've been led to believe.

Is Mokele-Mbembe Really a Dinosaur?
For 200 years, stories have circulated about Mokele-mbembe, a vaguely dinosaur-like beast haunting Africa's Congo River basin. Does this creature really exist, or is it simply a myth?

The Permian-Triassic Extinction Event
During the Permian-Triassic Extinction Event, 250 million years ago, over 90 percent of the earth's marine organisms went extinct, along with nearly three-quarters of terrestrial species. What caused this global catastrophe?

Everything You Need to Know About the 10 Most Famous Dinosaurs
There were literally hundreds of dinosaur genera, but only a handful merit the fandom of eager dinosaur lovers. Here's all the information you need about the 10 most famous dinosaurs, ranging from Allosaurus to Tyrannosaurus Rex.

Prehistoric Life During the Devonian Period
The Devonian period is when the first tetrapods climbed out of the sea and onto dry land, a key event in vertebrate evolution.animal Here's a look at prehistoric life on earth during the Devonian period.

Prehistoric Life During the Paleogene Period
The Paleogene period comprised three important epochs in the evolution of modern life--the Paleocene, Eocene and Oligocene. Here's a look at prehistoric life on earth during the Paleogene period.

The Most Important Dinosaurs by Continent
Dinosaurs inhabited all of the world's continents during the Triassic, Jurassic and Cretaceous periods. Here are lists of the 10 most important dinosaurs of North and South America, Europe, Asia, Africa, Australia and Antarctica.

12 Frequently Asked Dinosaur Questions
When did dinosaurs live, what did they eat, and why did they go extinct? Here's a list of frequently asked dinosaur questions, complete with links to additional information.

The Evolution of Vertebrate Animals, from Fish to Primates
Vertebrate evolution commenced 500 million years ago, with the tiny proto-fish of the Cambrian seas, and culminated in the birds, mammals and reptiles that inhabit the earth today. Here's an overview of the evolution of vertebrate animals.

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Real-Life Celebrity-Saur #10 - Sauroniops
Sauroniops, a real-life prehistoric animal named after a famous celebrity.

Real-Life Celebrity-Saur #9 - Aegrotocatellus
Aegrotocatellus, a real-life prehistoric animal named after a famous celebrity.

Real-Life Celebrity-Saur #7 - Barbaturex
Barbaturex, a real-life prehistoric animal named after a famous celebrity.

Real-Life Celebrity-Saur #8 - Maotherium
Maotherium, a real-life prehistoric animal named after a famous celebrity.

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Real-Life Celebrity-Saur #5 - Obamadon
Obamadon, a real-life prehistoric animal named after a famous celebrity.

Real-Life Celebrity-Saur #6 - Tianchisaurus
Tianchisaurus, a real-life prehistoric animal named after a famous celebrity.

Real-Life Celebrity-Saur #4 - Effigia
Effigia, a real-life prehistoric animal named after a famous celebrity.

Real-Life Celebrity-Saur #3 - Masiakasaurus
Masiakasaurus, a real-life prehistoric animal named after a famous celebrity.

10 Real-Life Prehistoric Animals Named After Celebrities
If you want people to notice your prehistoric animal, it helps to name it after a living (or dead) celebrity. Here's a list of 10 dinosaurs and prehistoric animals that pay homage to famous authors, artists, politicians and rock stars.

Real-Life Celebrity-Saur #1 - Gagadon
Gagadon, a real-life prehistoric animal named after a famous celebrity

Real-Life Celebrity-Saur #2 - Leviathan
Leviathan, a real-life prehistoric animal named after a famous celebrity.

American Cheetah (Miracinonyx)
The so-called American Cheetah may actually have been a species of puma.

Megalodon - The New Evidence
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North Carolina Museum of Natural Sciences Dinosaurs
Home of Willo, the Thescelosaurus with a fossilized heart.

The K/T Dinosaur Extinction Event
What caused the sudden extinction of the dinosaurs 65 million years ago? Most scientists blame an astronomical impact by a comet or meteor.

The 19th Century Bone Wars
In the late 19th century, Othniel C. Marsh and Edward Drinker Cope dug up thousands of dinosaur bones in the American west. They also hurled countless insults, accusations and libels at each other, a lifelong rivalry that has been immortalized as the

The Bone Wars – The Lifelong Feud Between Othniel C. Marsh and Edward Drinker Cope
In the late 19th century, Othniel C. Marsh and Edward Drinker Cope dug up thousands of dinosaur bones in the American west. They also hurled countless insults, accusations and libels at each other, a lifelong rivalry that has been immortalized as the

10 Most Important Facts About 20 Different Dinosaurs
We know more facts about some dinosaurs than about some others. Here's an alphabetical list of 10 facts about 20 different carnivorous and herbivorous dinosaurs, ranging from Allosaurus to Parasaurolophus to Velociraptor.

The Triassic, Jurassic, and Cretaceous Periods
What does it mean to say that a dinosaur lived in the Triassic, Jurassic, or Cretaceous period? Here's a description of these three stretches of the Mesozoic Era, and the prehistoric plants and animals that set them apart.

Prehistoric Life During the Triassic Period
A guide to the animals, plants, climate and geology of the Triassic period (250-208 million years ago). Page 2.

Prehistoric Life During the Jurassic Period
A guide to the animals, plants, climate and geology of the Jurassic period (208-144 million years ago). Page 3.

Prehistoric Life During the Cretaceous Period
A guide to the animals, plants, climate and geology of the Cretaceous period (144-65 million years ago). Page 4.

How Did Dinosaurs Evolve?
Like all living creatures, dinosaurs evolved from preexisting ancestors. Here's an overview of what we currently know about dinosaur evolution.

How Did Male Dinosaurs Differ from Female Dinosaurs?
Did the males of certain dinosaurs differ in size and appearance from the females? Paleontologists aren't sure--but there's good evidence for sexual dimorphism and gender differences in at least some dinosaurs.

Carnivorous Dinosaurs A to Z
The most dangerous dinosaurs of the Triassic, Jurassic and Cretaceous periods.

How Did Dinosaurs Fight?
Teeth, claws, horns, spikes and clubs--dinosaurs used an impressive array of weapons. Here's how raptors, tyrannosaurs, ankylosaurs and other kinds of dinosaurs wielded their armament, and why they fought each other in the first place.

How Did Dinosaurs Raise Their Families?
Until the discovery of ancient nesting grounds, paleontologists knew virtually nothing about how (or even if) dinosaurs cared for their young after they hatched. Here's an overview of what we know about dinosaur parenting.

Dinosaur Intelligence, and How It's Measured
Did all dinosaurs have a brain the size of a walnut, or might some of them have been as smart as very small mammals? Here's a look at modern perspectives on dinosaur intelligence.

How Long Did Dinosaurs Live? - Dinosaur Life Spans
Did dinosaurs live for hundreds of years, like modern tortoises, or did they have

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The Dinosaurs and Prehistoric Animals of Spain
Spain has an especially rich record of prehistoric life, ranging from dinosaurs to birds to the hominid ancestors of modern humans. Here's a list of the most important dinosaurs and prehistoric animals discovered in Spain.

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The 10 Most Important Dinosaurs of Australia and Antarctica
During the Mesozoic Era, dinosaurs lived in Australia and Antarctica, just as they did on every other continent on earth. Here's a list of the 10 most important dinosaurs from Down Under, ranging from Cryolophosaurus to Ozraptor.

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The 10 Most Important Dinosaurs of Africa
Although fossils aren't quite as common here as they are on other continents, Africa was still home to an impressive number of dinosaurs during the Mesozoic Era. Here's a slideshow of the 10 most important African dinosaurs, ranging from Aardonyx to Spinosaurus.

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Panphagia
Panphagia, an important dinosaur of South America.

Tyrannotitan
Tyrannotitan, an important dinosaur of South America.

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Giganotosaurus
Giganotosaurus, an important dinosaur of South America.

Megaraptor
Megaraptor, an important dinosaur of South America.

Carnotaurus
Carnotaurus, an important dinosaur of South America.

Eoraptor
Eoraptor, an important dinosaur of South America.

Austroraptor
Austroraptor, an important dinosaur of South America.

Anabisetia
Anabisetia, an important dinosaur of South America.

Argentinosaurus
Argentinosaurus, an important dinosaur of South America.

Abelisaurus
Abelisaurus, an important dinosaur of South America.

The 10 Most Important Dinosaurs of South America
South America was the birthplace of the very first dinosaurs, and remained well-stocked with the breed until the end of the Mesozoic Era. Here's a slideshow of the 10 most important South American dinosaurs.

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Stegosaurus
Stegosaurus, one of the 10 most important dinosaurs of North America.

Maiasaura
Maiasaura, one of the 10 most important dinosaurs of North America.

Ornithomimus
Ornithomimus, one of the 10 most important dinosaurs of North America.

Diplodocus
Diplodocus, one of the 10 most important dinosaurs of North America.

Ankylosaurus
Ankylosaurus, one of the 10 most important dinosaur of North America.

Coelophysis
Coelophysis, one of the 10 most important dinosaurs of North America.

Tyrannosaurus Rex
Tyrannosaurus Rex, one of the 10 most important dinosaurs of North America.

Allosaurus
Allosaurus, one of the 10 most important dinosaurs of North America.

Triceratops
Triceratops, one of the 10 most important dinosaurs of North America.

Deinonychus
Deinonychus, one of the 10 most important dinosaurs of North America.

The 10 Most Important Dinosaurs of North America
What are the 10 most famous and influential dinosaurs of North America? This slideshow lists them all, from Allosaurus to Tyrannosaurus Rex.

Neovenator
Neovenator, one of the 10 most important dinosaurs of Europe.

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The 10 Most Important Dinosaurs of Europe
Europe was the birthplace of modern paleontology, but wasn't quite as rich in dinosaur fauna as some other continents. Here's a list of the 10 most important dinosaurs of Europe, ranging from Archaeopteryx to Plateosaurus.

Plateosaurus
Plateosaurus, one of the 10 most important dinosaurs of Europe.

Archaeopteryx
Archaeopteryx, one of the 10 most important dinosaurs of Europe.

Balaur
Balaur, one of the 10 most important dinosaurs of Europe.

Baryonyx
Baryonyx, one of the 10 most important dinosaurs of Europe.

Megalosaurus
Megalosaurus, one of the 10 most important dinosaurs of Europe.

Cetiosaurus
Cetiosaurus, one of the 10 most important dinosaurs of Europe.

Compsognathus
Compsognathus, one of the 10 most important dinosaurs of Europe.

Europasaurus
Europasaurus, one of the 10 most important dinosaurs of Europe.

Iguanodon
Iguanodon, one of the 10 most important dinosaurs of Europe.

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Mamenchisaurus
Mamenchisaurus, one of the 10 most important dinosaurs of Asia.

Microraptor
Microraptor, one of the 10 most important dinosaurs of Asia.

Oviraptor
Oviraptor, one of the 10 most important dinosaurs of Asia.

Psittacosaurus
Psittacosaurus, one of the 10 most important dinosaurs of Asia.

Shantungosaurus
Shantungosaurus, one of the 10 most important dinosaurs of Asia.

Sinosauropteryx
Sinosauropteryx, one of the 10 most important dinosaurs of Asia.

Dilong
Dilong, one of the 10 most important dinosaurs of Asia.

Therizinosaurus
Therizinosaurus, one of the 10 most important dinosaurs of Asia.

The 10 Most Important Dinosaurs of Asia
Over the past few decades, more dinosaurs have been discovered in Asia than any other continent. Here's a slideshow of the 10 most important Asian dinosaurs, ranging from Dilong to Velociraptor.

Velociraptor
Velociraptor, one of the 10 most important dinosaurs of Asia.

Dilophosaurus
Dilophosaurus, one of the 10 most important dinosaurs of Asia.

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The Dinosaurs and Prehistoric Animals of Russia
A list of the most notable dinosaurs and prehistoric animals discovered in Russia.

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The Dinosaurs and Prehistoric Animals of Italy
You may think Italy is better known for its classical architecture, but a fair number of dinosaurs and prehistoric animals lived here in ancient times. Here's an alphabetical list, ranging from Besanosaurus to Titanocetus.

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The Dinosaurs and Prehistoric Animals of France
A list of the most notable dinosaurs and prehistoric animals ever to be discovered in France.

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The Dinosaurs and Prehistoric Animals of England
England was the birthplace of the modern conception of dinosaurs, thanks to the early discovery of Iguanodon, Megalosaurus, and other influential genera. Here's a slideshow of the most notable English dinosaurs and prehistoric animals.

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The Dinosaurs and Prehistoric Animals of Germany
A list of the most notable dinosaurs and prehistoric animals ever to be discovered in Germany.

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Prehistoric Life During the Oligocene Epoch
The Oligocene epoch marked a continuing transition between the animals of the preceding Eocene and those of the ensuing Miocene. Here's a detailed look at prehistoric life on earth during the Oligocene epoch.

Terra Nova - News About the Steven Spielberg Dinosaur TV Series
News, reviews and developments concerning the Steven Spielberg dinosaur-themed TV series Terra Nova.

Does Oil Come From Dinosaurs? - Myths and Facts
Many people mistakenly believe that oil comes from dinosaurs--and at least one oil company contributed to this myth by adopting a dinosaur as its trademark. Here's the truth about what dinosaurs do, and don't, have to do with fossil fuels.

The 10 Best Dinosaur Books
Not all books about dinosaurs are created equal. Here's a list of the 10 most informative, well-written books about dinosaurs and prehistoric life.

Indricotherium (Paraceratherium)
Indricotherium, also known as Paraceratherium, was the largest land-dwelling mammal in history.

Giant Ground Sloth (Megalonyx)
The Giant Ground Sloth, also known as Megalonyx, was described by Thomas Jefferson.

Cave Lion (Panthera Leo Spelaea)
The Pleistocene Cave Lion was one of the world's largest big cats.

Giant Bison - Prehistoric Mammals
Bison latifrons, the Giant Bison, was a two-ton megafauna mammal of late Pleistocene North America.

The Scientific Definition of Dinosaurs
The scientific definition of what constitutes a dinosaur is a bit more involved than you might expect. Here's a brief explanation.

What Did Dinosaurs Really Look Like?
Years ago it was fashionable to depict dinosaurs with scaly, green, reptilian skin; now the trend has swung toward plush feathers and bright colors. What did dinosaurs really look like, and how can paleontologists tell for sure?

How Did Dinosaurs Have Sex?
What we don't know about dinosaur sex can fill a library--after all, it's not as if the act of mating leaves fossil evidence. But we can make some educated guesses, based on the size of dinosaurs and their reptilian heritage.

Dinosaur Fun - A Collection of Dinosaur Humor
What are the funniest dinosaur jokes? Why shouldn't you keep a dinosaur as a pet? And which dinosaurs went extinct almost as soon as they evolved? Here's a collection of dinosaur-themed humor that's guaranteed to make you laugh out loud.

Dinosaurs, Reptoids and Reptilians
According to a popular conspiracy theory, super-intelligent humanoid reptiles are secretly pulling the strings of world affairs. What do these scaly green super-villains have to do with dinosaurs?

Armadillosuchus Picture
A picture of the prehistoric crocodile Armadillosuchus. Page 4.

Dibothrosuchus Picture
A picture of the prehistoric crocodile Dibothrosuchus. Page 11.

Doswellia Picture
A picture of the prehistoric crocodile Doswellia. Page 31.

Gracilisuchus Picture
A picture of the prehistoric crocodile Gracilisuchus. Page 32.

Neptunidraco Picture
A picture of the prehistoric crocodile Neptunidraco. Page 17.

Saltoposuchus Picture
A picture of the prehistoric crocodile Saltoposuchus. Page 34.

Quinkana Picture
A picture of the prehistoric crocodile Quinkana. Page 22.

Aegisuchus Picture
A picture of the prehistoric crocodile Aegisuchus.

Mesosuchus Picture
A picture of the prehistoric crocodile Mesosuchus. Page 33.

Smilosuchus Picture
A picture of the prehistoric crocodile Smilosuchus. Page 26.

Pholidosaurus Picture
A picture of the prehistoric crocodile Pholidosaurus. Page 19.

Angistorhinus Picture
A picture of the prehistoric reptile Angistorhinus. Page 2.

Desmatosuchus Picture
A picture of the prehistoric crocodile Desmatosuchus. Page 10.

Erpetosuchus Picture
A picture of the prehistoric crocodile Erpetosuchus. Page 12.

Geosaurus Picture
A picture of the prehistoric crocodile Geosaurus. Page 13.

Metriorhynchus Picture
A picture of the prehistoric crocodile Metriorhynchus. Page 15.

Mystriosuchus Picture
A picture of the prehistoric crocodile Mystriosuchus. Page 16.

Protosuchus Picture
A picture of the prehistoric crocodile Protosuchus. Page 21.

Rutiodon Picture
A picture of the prehistoric crocodile Rutiodon. Page 23.

Sarcosuchus Picture
A picture of the prehistoric crocodile Sarcosuchus. Page 24.

Simosuchus Picture
A picture of the prehistoric crocodile Simosuchus. Page 25.

Stagonolepis Picture
A picture of the prehistoric crocodile Stagonolepis. Page 27.

Stomatosuchus Picture
A picture of the prehistoric crocodile Stomatosuchus. Page 29.

Pakasuchus Picture
A picture of the prehistoric crocodile Pakasuchus. Page 18.

Champsosaurus Picture
A picture of the prehistoric crocodile Champsosaurus. Page 7.

Araripesuchus Pictures
A picture of the prehistoric crocodile Araripesuchus. Page 3.

Pristichampsus Picture
A picture of the prehistoric crocodile Pristichampsus. Page 20.

Baurusuchus Picture
A picture of the prehistoric crocodile Baurusuchus. Page 5.

Kaprosuchus Picture
A picture of the prehistoric crocodile Kaprosuchus. Page 14.

Terrestrisuchus Picture
A picture of the prehistoric crocodile Terrestrisuchus. Page 30.

Dakosaurus Picture
A picture of the prehistoric crocodile Dakosaurus. Page 8.

Steneosaurus Picture
A picture of the prehistoric crocodile Steneosaurus. Page 28.

Bernissartia Picture
A picture of the prehistoric crocodile Bernissartia. Page 6.

Deinosuchus Pictures
A picture of the prehistoric crocodile Deinosuchus. Page 9.

Prehistoric Crocodile Pictures
Pictures, illustrations and photographs of prehistoric crocodiles, the ancient cousins of the dinosaurs.

Prehistoric Crocodile Pictures
Pictures, illustrations and photographs of prehistoric crocodiles, the ancient cousins of the dinosaurs.

Why Did Stegosaurus Have Plates on its Back?
Paleontologists still don't fully understand the function, or even the arrangement, of Stegosaurus' plates. Here's a look at our current state of knowledge.

Why Were Dinosaurs So Big? - Facts and Theories
Species by species, individual by individual, dinosaurs were bigger than any other land-dwelling animal. Here are some theories that just might account for the gigantic size of dinosaurs.

Why Did Crocodiles Survive the K/T Extinction?
Sixty-five million years ago, dinosaurs, pterosaurs and marine reptiles were wiped off the face of the earth by the K/T Extinction--while their close cousins, the crocodiles, managed to survive. The question is, why?

Prehistoric Life During the Carboniferous Period
The Carboniferous period marks the time when reptiles and amphibians cemented their hold on dry land, while dense tropical swamps covered much of the planet. Here's a look at life on earth during the Carboniferous period.

Prehistoric Life During the Eocene Epoch
The Eocene epoch was the largest single stretch of the Cenozoic Era, accounting for over 20 million years. Here's an overview of the prehistoric life that could be found on earth during the Eocene epoch.

Is the Loch Ness Monster a Marine Reptile?
People who insist the Loch Ness Monster really exists say it looks like a long-extinct plesiosaur, a type of marine reptile. Do they have a leg (or flipper) to stand on?

Carbonemys Picture
A picture of the prehistoric turtle Carbonemys. Page 2.

Henodus Picture
A picture of the prehistoric turtle Henodus. Page 4.

Meiolania Picture
A picture of the prehistoric turtle Meiolania. Page 5.

Odontochelys Picture
A picture of the prehistoric turtle Odontochelys. Page 6.

Placochelys Picture
A picture of the prehistoric turtle Placochelys. Page 7.

Proganochelys Picture
A picture of the prehistoric turtle Proganochelys. Page 8.

Protostega Picture
A picture of the prehistoric turtle Protostega. Page 9.

Psephoderma Picture
A picture of the prehistoric turtle Psephoderma. Page 10.

Stupendemys Picture
A picture of the prehistoric turtle Stupendemys. Page 12.

Puentemys Picture
A picture of the prehistoric turtle Puentemys. Page 11.

Archelon Picture
A picture of the prehistoric turtle Archelon.

Colossochelys Picture
A picture of the prehistoric turtle Colossochelys. Page 3.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 2.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 3.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 4.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 5.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 6.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 7.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 8.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 9.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 10.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 11.

Dinosaur Egg Picture
Pictures and photographs of fossilized dinosaur eggs, from both identified and unknown dinosaur species. Page 12.

Piatnitzkysaurus Picture
A picture of the dinosaur Piatnitzkysaurus. Page 42.

Torvosaurus Picture
A picture of the dinosaur Torvosaurus. Page 55.

Tyrannotitan Picture
A picture of the dinosaur Tyrannotitan. Page 56.

Yangchuanosaurus Picture
A picture of the dinosaur Yangchuanosaurus. Page 58.

Xenotarsosaurus Picture
A picture of the dinosaur Xenotarsosaurus. Page 57.

Oxalaia Picture
A picture of the theropod dinosaur Oxalaia. Page 41.

Tarascosaurus Picture
A picture of the dinosaur Tarascosaurus. Page 54.

Poekilopleuron Picture
A picture of the dinosaur Carcharodontosaurus. Page 43.

Carnotaurus Picture
A picture of the dinosaur Carnotaurus. Page 12.

Ceratosaurus Picture
A picture of the dinosaur Ceratosaurus. Page 13.

Cryolophosaurus Picture
A picture of the dinosaur Cryolophosaurus. Page 16.

Eustreptospondylus Picture
A picture of the dinosaur Eustreptospondylus. Page 23.

Fukuiraptor Picture
A picture of the dinosaur Fukuiraptor. Page 24.

Giganotosaurus Picture
A picture of the dinosaur Giganotosaurus. Page 26.

Majungasaurus Picture
A picture of the dinosaur Majungasaurus. Page 33.

Monolophosaurus Picture
A picture of the dinosaur Monolophosaurus. Page 39.

Spinosaurus Picture
A picture of the dinosaur Spinosaurus. Page 52.

Suchomimus Picture
A picture of the dinosaur Suchomimus. Page 53.

Deltadromeus Picture
A picture of the dinosaur Deltadromeus. Page 17.

Dubreuillosaurus Picture
A picture of the dinosaur Dubreuillosaurus. Page 18.

Eocarcharia Picture
A picture of the dinosaur Eocarcharia. Page 22.

Gasosaurus Picture
A picture of the dinosaur Gasosaurus. Page 25.

Chilantaisaurus Picture
A picture of the dinosaur Chilantaisaurus. Page 14.

Indosuchus Picture
A picture of the dinosaur Indosuchus. Page 28.

Concavenator Picture
A picture of the dinosaur Concavenator. Page 15.

Carcharodontosaurus Picture
A picture of the dinosaur Carcharodontosaurus. Page 11.

Kaijiangosaurus Picture
A picture of the dinosaur Kaijiangosaurus. Page 29.

Kryptops Picture
A picture of the dinosaur Kryptops. Page 30.

Marshosaurus Picture
A picture of the dinosaur Marshosaurus. Page 35.

Metriacanthosaurus Picture
A picture of the dinosaur Metriacanthosaurus. Page 38.

Siats Picture
A picture of the dinosaur Siats. Page 49.

Eoabelisaurus Picture
A picture of the dinosaur Eoabelisaurus. Page 21.

Afrovenator Picture
A picture of the dinosaur Afrovenator. Page 4.

Allosaurus Picture
A picture of the dinosaur Allosaurus. Page 5.

Baryonyx Picture
A picture of the dinosaur Baryonyx. Page 9.

Gojirasaurus Picture
A picture of the dinosaur Gojirasaurus. Page 27.

Megalosaurus Picture
A picture of the dinosaur Megalosaurus. Page 36.

Rajasaurus Picture
A picture of the dinosaur Rajasaurus. Page 44.

Sinraptor Picture
A picture of the dinosaur Sinraptor. Page 50.

Aerosteon Picture
A picture of the dinosaur Aerosteon. Page 3.

Angaturama Picture
A picture of the dinosaur Angaturama. Page 6.

Aucasaurus Picture
A picture of the dinosaur Aucasaurus. Page 7.

Limusaurus Picture
A picture of the dinosaur Limusaurus. Page 31.

Mapusaurus Picture
A picture of the dinosaur Mapusaurus. Page 34.

Neovenator Picture
A picture of the dinosaur Neovenator. Page 40.

Saurophaganax Picture
A picture of the dinosaur Saurophaganax. Page 47.

Skorpiovenator Picture
A picture of the dinosaur Skorpiovenator. Page 51.

Megaraptor Picture
A picture of the dinosaur Megaraptor. Page 37.

Lourinhanosaurus Picture
A picture of the dinosaur Lourinhanosaurus. Page 32.

Becklespinax Picture
A picture of the dinosaur Becklespinax. Page 10.

Ekrixinatosaurus Picture
A picture of the dinosaur Ekrixinatosaurus. Page 20.

Edmarka Picture
A picture of the dinosaur Edmarka. Page 19.

Siamotyrannus Picture
A picture of the dinosaur Siamotyrannus. Page 48.

Sauroniops Picture
A picture of the dinosaur Sauroniops. Page 46.

Rugops Picture
A picture of the dinosaur Rugops. Page 45.

Carnivorous Dinosaur Pictures
Pictures, illustrations and photographs of various meat-eating dinosaurs, ranging from Abelisaurus to Tyrannotitan.

Australovenator Picture
A picture of the dinosaur Australovenator. Page 8.

Carnivorous Dinosaur Pictures
Pictures, illustrations and photographs of various meat-eating dinosaurs, ranging from Abelisaurus to Tyrannotitan.

Carnivorous Dinosaur Pictures
Pictures, illustrations and photographs of various meat-eating dinosaurs, ranging from Abelisaurus to Tyrannotitan.

Carnivorous Dinosaur Pictures
Pictures, illustrations and photographs of various meat-eating dinosaurs, ranging from Abelisaurus to Tyrannotitan.

Acrocanthosaurus Picture
A picture of the dinosaur Acrocanthosaurus. Page 2.

Abelisaurus Picture
A picture of the dinosaur Abelisaurus.

Preondactylus - About.com Pterosaurs
The late Triassic Preondactylus is one of the earliest identified pterosaurs.

Poekilopleuron - About.com Dinosaurs
The dinosaur Poekilopleuron may (or may not) have been a species of Megalosaurus.

Platybelodon - About.com Prehistoric Mammals
The prehistoric elephant Platybelodon came equipped with its own spork.

Tiktaalik - About.com Tetrapods
The Devonian

Meiolania - About.com Prehistoric Reptiles
The Australian Meiolania looked like a cross between a giant turtle and an armored dinosaur.

Quinkana - About.com Prehistoric Reptiles
The Quinkana was a prehistoric crocodile of Pleistocene Australia.

Megalania - About.com Prehistoric Reptiles
The giant monitor lizard Megalania lived in Pleistocene Australia.

Wonambi - About.com Prehistoric Reptiles
Wonambi was the first prehistoric snake ever to be discovered in Australia.

Pig-Footed Bandicoot - About.com Prehistoric Mammals
The Pig-Footed Bandicoot was a tiny--and extremely strange--Australian marsupial.

Diprotodon Coexisted with the Earliest Human Settlers of Australia
Diprotodon coexisted with the earliest human settlers of Australia.

Diprotodon Was on Thylacoleo's Lunch Menu
Diprotodon was on Thylacoleo's lunch menu.

Diprotodon Was an Ancestor of the Modern Wombat
Diprotodon was an ancestor of the modern wombat.

The Giant Wombat Was a Confirmed Vegetarian
The Giant Wombat was a confirmed vegetarian.

Many Diprotodon Herds Perished from Drought
Many Diprotodon herds perished from drought.

Diprotodon May Have Been the Inspiration for the "Bunyip"
Diprotodon may have been the inspiration for the

No One Is Quite Sure Why the Giant Wombat Went Extinct
No one is quite sure why the Giant Wombat went extinct.

Diprotodon Was the Largest Marsupial that Ever Lived
Diprotodon was the largest marsupial that ever lived.

10 Facts About Diprotodon, the Giant Wombat
Diprotodon, also known as the Giant Wombat, was the largest marsupial in earth's history. Here are 10 facts you may or may not have known about this giant Australian pouched mammal.

Diprotodon Males Were Larger than the Females
Diprotodon males were larger than the females.

Diprotodon Ranged Across the Expanse of Australia
Diprotodon ranged across the expanse of Australia.

Giant Short-Faced Kangaroo - About.com Prehistoric Mammals
The Giant Short-Faced Kangaroo was a plus-sized marsupial of Pleistocene Australia.

Gastric-Brooding Frog - About.com Prehistoric Amphibians
The Gastric-Brooding Frog gestated its young in its own stomach.

Stag Moose - About.com Prehistoric Mammals
The Stag Moose was a giant, moose-like deer of Pleistocene North America.

Irish Elk - About.com Prehistoric Mammals
The recently extinct Irish Elk sported dinosaur-sized antlers.

Auroch - About.com Prehistoric Mammals
The Auroch, a genus of prehistoric cow, went extinct in the 17th century.

Bluebuck - About.com Prehistoric Mammals
The antelope known as the Bluebuck was hunted to extinction 200 years ago.

Atlas Bear - About.com Prehistoric Mammals
The Atlas Bear was captured for combat in the arenas of ancient Rome.

Giant Moa (Dinornis) - About.com Prehistoric Birds
The Pleistocene bird Dinornis, also known as the Giant Moa, grew to a height of over 10 feet.

Stephens Island Wren - About.com Prehistoric Birds
The Stephens Island Wren was a tiny, flightless bird that went extinct in 1894.

Carolina Parakeet - About.com Prehistoric Birds
The Carolina Parakeet was the only parrot ever to be indigenous to the United States.

Bali Tiger - About.com Prehistoric Mammals
The Bali Tiger of Indonesia only went extinct 50 years ago.

Javan Tiger - About.com Prehistoric Mammals
The Javan Tiger is a recently extinct big cat of Indonesia.

Golden Toad - About.com Prehistoric Amphibians
The Golden Toad is the poster child for amphibian extinction.

Tarpan - About.com Prehistoric Mammals
The late Pleistocene Tarpan was the immediate predecessor of the modern horse.

Quagga - About.com Prehistoric Mammals
The South African zebra offshoot known as the Quagga went extinct in 1883.

American Zebra - About.com Prehistoric Mammals
The American Zebra is also known as Grevy's Zebra and the Hagerman Horse.

Thylacoleo (Marsupial Lion) - About.com Prehistoric Mammals
The Marsupial Lion, Thylacoleo, was the largest meat-eating mammal of prehistoric Australia.

Caspian Tiger - About.com Prehistoric Mammals
The Caspian Tiger is a recently extinct big cat of central Asia.

Cape Lion - About.com Prehistoric Mammals
The Cape Lion is a recently extinct big-maned cat of South Africa.

Barbary Lion - About.com Prehistoric Mammals
The Barbary Lion is a recently extinct big cat of northern Africa.

European Lion - About.com Prehistoric Mammals
The European Lion, a subspecies of the modern lion, went extinct 1,000 years ago.

Stenopterygius - About.com Marine Reptiles
The marine reptile Stenopterygius was a close relative of Ichthyosaurus.

Agriarctos - About.com Prehistoric Mammals
The Giant Panda ancestor Agriarctos lived over 10 million years ago.

Moa-Nalo - About.com Prehistoric Birds
The Moa-Nalo was the Hawaiian equivalent of the Dodo Bird.

Coryphodon - About.com Prehistoric Mammals
Coryphodon was one of the most common mammals of the early Eocene epoch.

Elasmotherium - About.com Prehistoric Mammals
The prehistoric rhinoceros Elasmotherium may have inspired the unicorn legend.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

10 Mythical Beasts Inspired by Prehistoric Animals
Many legendary creatures have their roots in actual fact. Could the Roc, the Griffin and the Unicorn be based on real prehistoric animals? See this slideshow to learn more!

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Dinosaurs
Dinosaurs.

Shuvuuia - About.com Dinosaurs
The central Asian Shuvuuia was one of the smallest

Horned Gopher (Ceratogaulus) - About.com Prehistoric Mammals
Ceratogaulus, the Horned Gopher, looked like a miniature rhinoceros.

Velocisaurus - About.com Dinosaurs
Velocisaurus was a small, speedy dinosaur of late Cretaceous South America.

Metriorhynchus - About.com Prehistoric Reptiles
Metriorhynchus was one of the most common crocodiles of late Jurassic Europe.

Qantassaurus - About.com Dinosaurs
The dinosaur Qantassaurus was named after the national airline of Australia.

Megapnosaurus (Syntarsus) - About.com Dinosaurs
Megapnosaurus is the dinosaur previously known as Syntarsus.

Lythronax - About.com Dinosaurs
Lythronax is a recently discovered tyrannosaur dinosaur of North America.

Dinosaur Haiku - Haiku About Dinosaurs, Pterosaurs, and Prehistoric Life
Thanks to their multisyllabic names, dinosaurs lend themselves perfectly to haiku. Click here for an ever-expanding selection of homegrown haikus with prehistoric themes.

150 Million Years of Marsupial Evolution
How is it that marsupials evolved well over 100 million years ago, but today are mostly restricted to the continent of Australia? Here's the story of marsupial evolution, along with a list of notable prehistoric marsupial species.

The Dinosaur Encyclopedia
Collections of articles about the world's most famous dinosaurs, ranging from Allosaurus to Tyrannosaurus Rex.

Dinosaurs and Birds
How (and when) did dinosaurs evolve into birds? What were the first feathered dinosaurs? And how did paleontologists manage to piece together the dinosaur/bird puzzle?

A Complete, A to Z List of Marine Reptiles
They weren't technically dinosaurs, but these sleek plesiosaurs, pliosaurs, ichthyosaurs and mosasaurs, as well as other marine reptiles, filled the lakes, rivers and oceans of the Mesozoic Era.

Prehistoric Mammals A to Z
Profiles of the early, prehistoric mammals that coexisted with the dinosaurs, as well as the saber-toothed cats, woolly mammoths, giant sloths, and other mammalian megafauna that succeeded them.

A Complete, A to Z List of Pterosaurs
They weren't technically dinosaurs, but these flying, gliding pterosaurs crowded the skies of the Mesozoic Era.

Dinosaur Basics
What is a dinosaur? When and where did dinosaurs live? And why are they called

Dinosaur Fossil Sites
Profiles of the world's most famous dinosaur fossil sites, including excavations in North and South America, Europe, Asia, Africa and Australia.

Dinosaur Museums, Attractions and Exhibits
Profiles of dinosaur museums and attractions in the U.S. and Canada, including hours, ticket prices, contact information, and descriptions of galleries and exhibits.

Famous Paleontologists, Dinosaur Scientists, and Fossil Hunters
Profiles of the most notable paleontologists, scientists and fossil hunters involved with dinosaurs and other forms of prehistoric life.

A Complete, A to Z List of Archosaurs, Therapsids, and Other Prehistoric Reptiles
Profiles of the prehistoric reptiles--including archosaurs, pelycosaurs, therapsids, crocodiles, snakes and turtles--that preceded or lived alongside the dinosaurs.

Prehistoric Birds A to Z
Profiles of the prehistoric birds that lived alongside--and succeeded--the dinosaurs.

Profiles of Prehistoric Fish, Sharks, Tetrapods and Amphibians
Profiles of the tetrapods and amphibians that preceded the dinosaurs, as well as prehistoric fish, sharks, and other marine creatures.

Dinosaurs and Prehistoric Animals by State
Lists of the most notable dinosaurs and prehistoric animals discovered in each of the 50 United States.

Herbivorous Dinosaurs A to Z
Plant-eating dinosaurs, large and small, of the Triassic, Jurassic and Cretaceous periods.

Dinosaur Extinction
Theories of dinosaur extinction, including meteorite impact, volcanic activity, climate change, and other hypotheses.

Arsinoitherium - About.com Prehistoric Mammals
Arsinoitherium was a two-horned, rhino-like prehistoric mammal of Africa.

Xiaotingia - About.com Dinosaurs
The feathered dinosaur Xiaotingia predated Archaeopteryx by millions of years.

Xilousuchus - About.com Prehistoric Reptiles
The Asian Xilousuchus is one of the earliest archosaurs in the fossil record.

Anurognathus - About.com Pterosaurs
Anurognathus was one of the smallest pterosaurs of the Jurassic period.

Eudimorphodon - About.com Pterosaurs
The early pterosaur Eudimorphodon flew the skies of Europe well over 200 million years ago.

Xenosmilus - About.com Prehistoric Mammals
The Pleistocene Xenosmilus is also known as the

Enchodus - About.com Prehistoric Fish
The prehistoric fish Enchodus is better known as the

Dromiceiomimus - About.com Dinosaurs
Dromiceiomimus may have been the fastest dinosaur that ever lived.

Sinonyx - About.com Prehistoric Mammals
The hoofed mammal Sinonyx lived only a few million years after the dinosaurs went extinct.

Barbourofelis - About.com Prehistoric Mammals
Barbourofelis was the biggest of the

Hesperosaurus - About.com Dinosaurs
Hesperosaurus is one of the earliest identified North American stegosaurs.

Didelphodon - About.com Prehistoric Mammals
Didelphodon was a Cretaceous ancestor of the modern opossum.

Sanajeh - About.com Prehistoric Reptiles
The prehistoric snake Sanajeh feasted on baby titanosaur dinosaurs.

Sinocalliopteryx - About.com Dinosaurs
Sinocalliopteryx made a habit of feasting on its fellow dino-birds.

Eotyrannus - About.com Dinosaurs
The early tyrannosaur Eotyrannus looked more like a raptor.

Fruitadens - About.com Dinosaurs
Fruitadens is one of the smallest dinosaurs in the fossil record.

Gryposaurus - About.com Dinosaurs
Gryposaurus was one of the most common duck-billed dinosaurs of Cretaceous North America.