An early stage in the evolution of sauropods.
An early relative of Heterodontosaurus.
A close Asian relative of Camarasaurus.
The intact skull of this sauropod was discovered in 2010.
No, it's not a city in Greece.
Might this have been a growth stage of Pachyrhinosaurus?
This early hadrosaur lacked any ornamentation on its skull.
North America's earliest bone-headed dinosaur.
This titanosaur was named 50 years after its discovery.
A close relative of Massospondylus.
Guess what country this titanosaur was found in?
Could this titanosaur have reared up on its hind legs?
This "agile lizard" was one of the earliest ornithopods.
A large, spiny-backed sauropod.
No, it wasn't named after the Alamo (but it should have been).
Guess what state this pachycephalosaur was found in?
The most basal "centrosaurine" yet identified.
This petite ornithopod was recently discovered in Canada.
The first ankylosaur known to have lived in Mexico.
This "high nosed" plant eater resembled an early hadrosaur.
An early relative of the bizarre Therizinosaurus.
A bizarre, spined sauropod from South America.
One of the few dinosaurs to be found in the Amazon basin.
This may (or may not) have been the same dinosaur as Anchisaurus.
One of the best-known of the armored titanosaurs.
Could it have been the biggest dinosaur that ever lived?
The most complete hadrosaur to be found in Russia.
The best-attested South American ornithopod.
This dinosaur is now known as either Anatotitan or Edmontosaurus.
This hadrosaur's name means "giant duck."
This dinosaur had a distinctively shaped frill.
One of the first dinosaurs dug up in the United States.
This titanosaur rivaled Argentinosaurus in size.
The first dinosaur ever to be discovered in Angola.
This dinosaur had an unusually shaped jaw.
This "living fortress" was discovered in an unusual way.
The Cretaceous equivalent of a Sherman tank.
The first dinosaur fossil ever found in Antarctica .
Despite its name, this titanosaur may not have lived in Antarctica.
Either a very late prosauropod, or a very early sauropod.
The dinosaur formerly known as Brontosaurus.
Named after the Aragon region of Spain.
Not much is known about this central Asian duckbill.
Possibly the smallest ceratopsian that ever lived.
This prosauropod was recently discovered in South Africa.
Possibly the largest herbivore that ever lived.
A plus-sized titanosaur from South America.
This ceratopsian was named for its "missing" nose horn.
The official state dinosaur of Maryland.
This sauropod had unusually long legs.
Named after a manufacturer of digging equipment.
A close relative of Archaeoceratops.
This sauropod was discovered in Tanzania.
This titanosaur was discovered near a train station.
This ceratopsian is represented by a single juvenile.
One of the earliest of the duck-billed dinosaurs.
A small ceratopsian from central Asia.
Probably the first of the giant sauropods.
Yet another iguanodontid ornithopod of the British Isles.
An enormous plant-eater with a tiny head.
The only known feathered therizinosaur.
This "bird mimic" weighed over half a ton.
A herd of this sauropod drowned in a flash flood.
This titanosaur wasn’t as beautiful as its name implies..
A case study in dinosaur confusion.
A giant, gentle, long-necked plant-eater.
A little-known ceratopsian from North America.
This duck-billed dinosaur's beak looked more like a parrot's.
This sauropod had an unusually short neck.
Its name is Greek for "thunder thighs."
Was this titanosaur bigger than Argentinosaurus?
The most commmon sauropod of Jurassic North America.
An early member of the dinosaur line that evolved into sauropods.
A close relative of Iguanodon.
A birdlike dinosaur that changed the views of paleontologists.
Like a unicorn, this ceratopsian had only one horn.
A small ceratopsian of the late Cretaceous.
Not to be confused with the more famous Cetiosaurus.
Guess which creature this "whale lizard" was once mistaken for?
An early ceratopsian of the late Jurassic period.
This duck-billed dinosaur was much, much bigger than an elephant.
The only dinosaur that came with its own awning.
One of the earliest Asian stegosaurs.
This titanosaur was on Tyrannotitan's lunch menu.
This early stegosaur had some very primitive characteristics.
This "broken lizard" was a primitive hadrosaur.
It had the longest horns of any known ceratopsian dinosaur.
This thick-skulled dino's name is Greek for "knucklehead."
This "Corinthian-helmeted" dino had a distinctive mating call.
This dinosaur was named after the author of Jurassic Park.
It was once mistakenly classified as a species of Iguanodon.
The first stegosaur ever to be described.
A medium-sized sauropod from middle Jurassic Asia.
This ornithopod was initially classified as a species of Iguanodon.
A poorly understood sauropod of early Cretaceous Europe.
It looked like a cross between a Triceratops and a Centrosaurus.
This titanosaur was recently discovered in Australia.
Was this two-horned dinosaur really a specimen of Triceratops?
A medium-sized, spiny-necked sauropod.
"Thin at one end, much much thicker in the middle, and then thin again at the far end."
Named after the Belgian paleontologist Louis Dollo.
This early ankylosaur was discovered in Portugal.
The only dinosaur to be named after the Harry Potter books.
This "dinosaur" may actually have been a marine reptile.
Named after the famous paleontologist Edward Drinker Cope.
A typical ornithopod of the late Jurassic.
We know a lot about this dinosaur's developmental stages.
Its name means "hard-to-place lizard."
This Diplodocus-like sauropod was named by Edward Cope.
One of the few ornithopods to sport a set of canines.
This armored dinosaur never actually lived in Edmonton.
This large, duckbilled herbivore was a contemporary of T. Rex.
This Triassic dinosaur may have been ancestral to sauropods.
This frilled herbivore was a relative of Centrosaurus.
Once classified as a species of Valdosaurus.
An early hadrosaur from North America.
This "dawn Triceratops" was recently discovered in Canada.
This "heavy lizard" was relatively primitive for its time and place.
Its name is Greek for "horse mane."
This titanosaur had an unusually long neck.
This late therizinosaur roamed the Mongolian forests.
The first sauropod to be discovered in China.
Even this ankylosaur’s eyelids were armored.
The smallest sauropod ever discovered.
This early nodosaur was recently discovered in Spain.
The first dinosaur ever to be discovered in Africa.
This early ornithopod may have been a species of Lesothosaurus.
A bizarre, feathered theropod from North America.
The first dinosaur ever to be discovered in the USSR.
This ornithopod was discovered in Japan.
Very little is known about this "lightning beast."
It sounds like a hot dog, but it was one of the biggest dinosaurs that ever lived.
This "gargoyle lizard" was an ancestor of Ankylosaurus.
One of the few ornithopods known to have lived in South America.
This ankylosaur was probably on Utahraptor's lunch menu.
Guess what famous naturalist this dinosaur was named after?
This impressively named beast may or may not have been a true stegosaur.
One of the few dinosaurs known to have suffered from cancer.
Might this "giant giraffe" have been a species of Brachiosaurus?
This ceratopsian's tiny skull was found in the Gobi Desert.
Yet another titanosaur from South America.
A primitive bonehead from Asia.
A tiny ceratopsian of Cretaceous North America.
One of the most common of the duck-billed dinosaurs.
Was this early dinosaur a theropod or a prosauropod?
The official state dinosaur of New Jersey.
A typical sauropod of the late Jurassic period.
This dinosaur was named after a horse-headed Mongolian god.
The oldest stegosaur yet discovered in North America.
This "different-toothed" dinosaur was a dentist's nightmare.
Named after the Chinese professor He Xin-Lu.
This "horse dragon" was recently discovered in Utah.
This herbivore had a very flat (and very thick) skull.
This early ceratopsian is known from two skulls.
A titanosaur from northern China.
Could this have been the ancestor of all the stegosaurs?
Its name is Aztec for "ancient duck."
One of the first creatures ever to be called a "dinosaur."
We know a lot about this duck-billed dinosaur's family life.
This titanosaur's eggs were a foot in diameter.
It was once classified as a species of Iguanodon.
This man-sized herbivore liked to eat and run.
Its name means "cowardly lizard."
A brand-new ornithopod from North America.
The second dinosaur in history ever to receive a name.
This buck-toothed dinosaur was the Cretaceous equivalent of a beaver.
One of the first sauropods ever to walk the earth.
Otherwise known as the Indian Statistical Institute Lizard.
The earliest titanosaur in the fossil record.
A poorly known hadrosaur from central Asia.
This ornithopod may have had an omnivorous diet.
Its name is Zuni for "grinding mouth."
A close relative of Yunnanosaurus.
This Asian dinosaur was one of the first hadrosaurs.
A strange, short-tailed African sauropod.
The earliest Chasmosaurus ancestor yet identified.
This Diplodocus relative had a characteristic grin.
A smaller, African cousin of Stegosaurus.
Did this ceratopsian like to go swimming?
Guess what country this ornithopod was discovered in?
This ceratopsian had a bizarre, downward-folding frill.
One of the few sauropods to be discovered in modern-day India.
A famous, but poorly understood, hadrosaur.
This hadrosaur was discovered in the far east of Russia.
This herbivore had a hatchet-shaped crest on its noggin.
This early sauropod was discovered in India.
This herbivore's teeth were half a foot long.
This sauropod was discovered in Madagascar.
This duck-billed dinosaur had an enormous nose.
The only dinosaur ever to be named after a little girl.
This prosauropod was recently discovered in Argentina.
One of the most primitive of all ceratopsians.
One of the earliest of all the ornithischian dinosaurs.
Named after the popular dinosaur writer Don Lessem.
One of the earliest European stegosaurs.
A newly discovered prosauropod from South America.
A tiny ceratopsian of early Cretaceous Asia.
A familiar sight at Chinese natural history museums.
This ornithopod bore an uncanny resemblance to a giant sloth.
This dinosaur was once thought to be a mammal-like reptile.
The largest lambeosaurine hadrosaur yet identified.
This ceratopsian had an unusually big beak.
This dwarf titanosaur was probably confined to a small island.
This "good mother lizard" stayed close to her young.
The first titanosaur to be found with its skull intact.
The longest-necked dinosaur that ever lived.
A strangely toothed relative of Heterodontosaurus.
Named after the famous fossil hunter Gideon Mantell.
This small, lithe, bipedal plant-eater roamed the plains of South Africa.
One of the biggest titanosaurs ever found in Brazil.
This frilled dinosaur was closely related to Centrosaurus.
Probably the largest prosauropod that ever lived.
This titanosaur was ancestral to Futalognkosaurus.
Probably the smallest ceratopsian that ever lived.
The current record-holder for longest dinosaur name.
An early (and very dumb) ankylosaur from Australia .
Named after the half-man, half-bull of Greek myth.
This stegosaur had an unusually long neck.
This ceratopsian had a heart-shaped frill.
The first dinosaur ever to be discovered in modern-day Tibet.
Might this have been a species of Centrosaurus?
This "mouse lizard" lived in Triassic South America.
The most complete dinosaur fossil ever found in Australia.
This ankylosaur was named after the Mygatt-Moore quarry in Colorado.
A rare therizinosaur from inner Mongolia.
This titanosaur has been reconstructed from a single, incomplete skull.
Was this titanosaur really a species of Saltasaurus?
This African sauropod had a huge number of teeth.
This armored dinosaur has been reconstructed from a single skull.
One of the first armored dinosaurs ever discovered in North America.
The first therizonosaur to be found outside Asia.
A rare South American ornithopod.
A very close relative of Triceratops.
One of the most complete dinosaur fossils ever found in Russia.
One of the most common Chinese sauropods.
A clumsily named titanosaur of the late Cretaceous period.
This tiny herbivore was on Troodon's dinner menu.
The only ornithopod known to have lived in burrows.
A small, fast herbivore of the late Jurassic.
Scientists can't decide if this herbivore had a sail or a hump.
This plant-eater gave new meaning to the word "blockhead."
This "thick-nosed lizard" roamed the North American forests.
A contender for the official Texas state dinosaur.
A squat, stocky nodosaur of the late Cretaceous.
Its name is Greek for "eats everything."
No, this dinosaur didn't wear you-know-whats.
This huge titanosaur was discovered recently in Egypt.
This stegosaur was discovered over 150 years ago.
Probably the loudest dinosaur that ever roamed the earth.
This "Patagonian lizard" hailed from South America.
This ancient nodosaur was discovered in Texas.
This dinosaur was covered with porcupine-like bristles.
This "monstrous lizard" was the first sauropod ever to be discovered.
This "five-horned" herbivore really had only three.
This titanosaur was discovered in modern-day Thailand.
Did this ankylosaur roam central Asia in herds?
One of the earliest known ornithischian dinosaurs.
This herd dinosaur blackened the plains of the late Triassic.
The official state dinosaur of Texas.
An extremely spiky ankylosaur of the middle Cretaceous.
This "bonehead" had a round, thick skull.
A close relative of Leptoceratops.
An early stage in hadrosaur evolution.
This baby ankylosaur was recently discovered in Maryland.
The likely ancestor of both Saurolophus and Parasaurolophus.
A famous plant-eater with a very funky frill.
This low-slung dinosaur's noggin wouldn't have looked out of place on a parrot.
This titanosaur rivaled Argentinosaurus in size.
Named after the national airline of Australia.
An Asian relative of Brachiosaurus.
This titanosaur may have had unusually sharp hearing.
The only sauropod ever to be discovered on modern-day Madagascar.
A poorly understood sauropod from northern Africa.
This stegosaur lived in what is now modern-day England.
A possible "missing link" between Iguanodon and Hypsilophodon.
A medium-sized sauropod from Down Under.
One of the few prosauropods known to have lived in South America.
A ceratopsian dinosaur from the Two Medicine Formation.
This ankylosaur's name is Chinese for "beautiful."
The first armored sauropod ever to be discovered.
This prosauropod had unusually strong hands.
The most likely ancestor of the ankylosaurs.
The earliest dinosaur known to have had a herbivorous diet.
One of the few hadrosaurs known to have lived on two continents.
This ankylosaur's armor helped keep raptors at bay.
One of the tallest dinosaurs ever to walk the earth.
Among the earliest of all the armored dinosaurs.
Probably the smallest of all the armored dinosaurs.
The first hadrosaur to be discovered in South America.
It was huge, to be sure--but might it have been a species of Diplodocus?
This small dinosaur may have been buried in an avalanche.
Another early prosauropod of the Triassic period.
The biggest of all the duck-billed dinosaurs.
Anatomically speaking, the best known of all the sauropods.
This primitive nodosaur was discovered in Kansas.
A rare ceratopsian from late Cretaceous China.
The remains of this sauropod were found in Arizona.
Yet another dome-headed dino of North America.
This early sauropod had a "thagomizer" on its tail.
This ceratopsian was named 100 years after its bones were found.
This small herbivore was built for high-speed head-butting.
Everything you need to know about this small-brained, spike-tailed dinosaur.
Experts aren't sure how to classify this dinosaur.
The smallest nodosaur yet discovered.
Its name means "demon from the river of death." Got your attention yet?
Winner of the "most elaborate head display" competition.
No, it didn't wear a cape--but this giant dino was still impressive.
Its name is Native American for "ancient thunder."
This ankylosaur was discovered in the Gobi Desert.
A rare ornithopod from South America.
Not much is known about this Chinese hadrosaur.
A recently discovered titanosaur from South America.
Its name means "brainy," but that may be an exaggeration.
This titanosaur was discovered in Spain.
A brand-new ankylosaur from North America.
This Vulcanodon relative was one of the earliest sauropods.
This early herbivore was named after Texas Tech University.
This duck-billed dinosaur was discovered in Transylvania.
This long-tailed herbivore was hunted by Deinonychus.
One of the few dinosaurs to be found in modern-day Italy.
This Texan pachycephalosaur was discovered in 2010.
The first prosauropod ever to be discovered.
Its name means "garden of the gods."
What did Little Orphan Annie say when she saw this dinosaur? "Reaping lizards!"
Did paleontologists find this dinosaur's mummified heart?
This dinosaur's species name honors Jurassic Park.
Why did this ornithopod have feathers?
The biggest of all the horned, frilled dinosaurs.
This titanic herbivore may--or may not--have been a unique member of its genus.
This horned, frilled herbivore was a close cousin of Triceratops.
The famous three-horned plant-eater.
The first ornithopod ever to be discovered in Antarctica.
Also known as the "Unicorn Dinosaur."
One of the most well-known Chinese stegosaurs.
The tallest-domed of all the pachycephalosaurs.
Discovered in the Uberaba region of Brazil.
The largest ceratopsian to run on two legs.
One of the oldest prosauropods yet discovered.
Named after the United Nation's UNESCO.
Guess what state this dinosaur was discovered in?
This big-frilled dinosaur was closely related to Kosmoceratops.
This ornithopod was discovered on the Isle of Wight.
A new addition to the duck-billed dinosaur family.
An early sauropod of the Jurassic period.
Probably the smallest of all the bone-headed dinosaurs.
Another new titanosaur from Australia.
Could this have been the last of the stegosaurs?
This "alien horned face" was announced in 2012.
Experts aren't sure how to classify this sauropod.
A small ornithopod from late Jurassic Asia.
An early ceratopsian of the late Jurassic.
This iguanodontid ornithopod was recently discovered in China.
No, it didn't have a sweet potato for a head.
A small ornithopod of middle Jurassic China.
One of the better-known Chinese prosauropods.
This "hidden dragon" was an early ceratopsian.
The earliest intact sauropod yet discovered.
One of the last prosauropods to walk the earth.
A strange-looking ornithopod from Romania.
This hadrosaur was even bigger than Shantungosaurus.
This horned dinosaur was discovered by an eight-year-old boy.