A
Abelisaurus "Abel's lizard" has been recontructed from a single skull.
Acanthopholis No, it's not a city in Greece.
Achillobator This fierce raptor was discovered in modern-day Mongolia.
Aegyptosaurus Guess what country this dinosaur was found in?
Alamosaurus No, it wasn't named after the Alamo, but it should have been.
Albertosaurus This carnivorous dinosaur was a close relative of T. Rex.
Alectrosaurus Few specimens of this "unmarried lizard" have been found.
Alioramus All we know about this tyrannosaur is based on a single skull.
Allosaurus One of the most common predators of the Jurassic era.
Ampelosaurus One of the best-known of the armored titanosaurs.
Anatotitan This hadrosaur's name means "giant duck."
Anchisaurus One of the first dinosaurs ever to be dug up in the United States.
Andesaurus This titanosaur rivaled Argentinosaurus in size.
Ankylosaurus The Cretaceous equivalent of a Sherman tank.
Antarctopelta The first dinosaur fossil ever discovered in Antarctica.
Antarctosaurus Despite its name, this titanosaur may or may not have lived in Antarctica.
Anteosaurus This huge, crocodile-like reptile preceded the dinosaurs.
Anurognathus One of the smallest pterosaurs of prehistoric times.
Apatosaurus The dinosaur formerly known as Brontosaurus.
Appalachiosaurus One of the few dinosaurs ever to be found in Alabama.
Archaeopteryx This ancient, flying reptile was about the size of a modern pigeon.
Archelon A dinosaur-sized turtle of the late Cretaceous.
Argentinosaurus Possibly the largest herbivore that ever lived.
Aristonectes One of the last plesiosaurs left before the K/T extinction.
Attenborosaurus This plesiosaur was named after the documentarian David Attenborough.
B
Bactrosaurus One of the earliest of the duck-billed dinosaurs.
Bambiraptor Yes, this tiny raptor was named after you-know-who.
Barapasaurus Probably the first of the giant sauropods.
Barosaurus An enormous plant-eater with a tiny head.
Baryonyx Long story short: you wouldn't want to clip this dino's claws.
Bernissartia One of the smallest of all the Cretaceous crocodiles.
Biarmosuchus One of the most primitive of the "mammal-like reptiles."
Bonitasaura This titanosaur wasn't as beautiful as its name implies.
Brachiosaurus A giant, gentle, long-necked plant-eater.
Brachylophosaurus This duck-billed dinosaur's beak looked more like a parrot's.
Brachytrachelopan This sauropod had an unusually short neck.
Buitreraptor The oldest raptor ever discovered in South America.
C
Californosaurus Guess what state this ichthyosaur was discovered in?
Camarasaurus The most common sauropod of Jurassic North America.
Caudipteryx A birdlike dinosaur that changed the views of paleontologists.
Carnotaurus The shortest arms of any meat-eater--and horns to match.
Centrosaurus Like a unicorn, this ceratopsian only had one horn.
Ceratosaurus This primitive carnivore is hard to classify.
Cetiosaurus Guess which creature this "whale lizard" was once mistaken for?
Charonosaurus This duck-billed dinosaur was much bigger than an elephant.
Chasmatosaurus One of the first archosaurs ever to be identified.
Chasmosaurus The only dinosaur that came with its own awning.
Chimaerasuchus The first vegetarian crocodile ever to be discovered.
Coelophysis One of the most ancient dinosaurs ever to roam the earth.
Colepiocephale This thick-skulled dinosaur's name is Greek for "knucklehead."
Compsognathus The size of a chicken, but much meaner.
Confuciusornis Guess what country this proto-bird was discovered in?
Corythosaurus This "Corinthian-helmeted" dino had a distinctive mating call.
Crichtonsaurus This dinosaur was named after the author of Jurassic Park.
Cryptoclidus This mean-looking pliosaur was one of the biggest of all marine reptiles.
Cymbospondylus A very large--and very ancient--ichthyosaur.
Cynognathus Among the most mammal-like of all ancient reptiles.
D
Daspletosaurus This "frightful lizard" was a close cousin of T. Rex.
Deinocheirus All we know for sure about this carnivore is the shape of its arms.
Deinonychus One of the most fearsome predators of the Cretaceous era.
Deinosuchus One of the biggest crocodiles of the Cretaceous period.
Desmatosuchus A crocodile-like archosaur with a fish-like head.
Dilong This "emperor dragon" may have been an ancestor of T. Rex.
Dilophosaurus This dino was distinguished by the bony crests on its noggin.
Dimetrodon This ancient synapsid had a huge sail on its back.
Dimorphodon This big-headed pterosaur had two distinct types of teeth.
Diplodocus "Thin at one end, much thicker in the middle, and thin again at the far end."
Dolichorhynchops A typical pliosaur of the late Cretaceous.
Dorygnathus A typical pterosaur from western Europe.
Doswellia This may (or may not) have been one of the earliest crocodiles.
Dracorex The only dinosaur to be named after the Harry Potter books.
Dromaeosaurus This "running lizard" was probably covered with feathers.
Dsungaripterus A typical pterosaur of the early Cretaceous.
E
Edaphosaurus This early land reptile was a close cousin of Dimetrodon.
Edmontonia This armored dinosaur never actually lived in Edmonton.
Edmontosaurus This large, duck-billed herbivore was a contemporary of T. Rex.
Elasmosaurus From head to tail, the longest plesiosaur that ever lived.
Eoraptor This tiny dinosaur was among the first of its kind.
Eotyrannus This early tyrannosaur looked more like a raptor.
Epachthosaurus This "heavy lizard" was relatively primitive for its time and place.
Erpetosuchus This tiny reptile may have been the ancestor of all crocodiles.
Eudimorphodon This pterosaur flew the skies of Europe well over 200 million years ago.
Euparkeria A tiny, fast, voracious precursor to the true dinosaurs.
Euoplocephalus Even this ankylosaur's eyelids were armored.
Eurhinosaurus This ancient ichthyosaur looked like a modern sawfish.
Europasaurus The smallest sauropod ever discovered.
Excalibosaurus This ichthyosaur was named after King Arthur’s sword.
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