Dinosaurs Catalog

A

• Aardonyx An early stage in the evolution of sauropods.
• Abelisaurus "Abel"s lizard" has been recontructed from a single skull.
• Abrictosaurus An early relative of Heterodontosaurus.
• Abrosaurus A close Asian relative of Camarasaurus.
• Abydosaurus This sauropod"s intact skull was discovered in 2010.
• Acanthopholis No, it"s not a city in Greece.
• Achelousaurus Might this have been a growth stage of Pachyrhinosaurus?
• Achillobator This fierce raptor was discovered in modern-day Mongolia.
• Acristavus This early hadrosaur lacked any ornamentation on its skull.
• Acrocanthosaurus The largest predator of the early Cretaceous period.
• Acrotholus North America"s earliest bone-headed dinosaur.
• Adamantisaurus This titanosaur was named 50 years after its discovery.
• Adasaurus This raptor"s hind claws were unusually small.
• Adeopapposaurus A close relative of Massospondylus.
• Aegyptosaurus Guess what country this dinosaur was found in?
• Aeolosaurus Could this titanosaur have reared up on its hind legs?
• Aerosteon This air-boned dinosaur may have breathed like a bird.
• Afrovenator One of the few carnivores ever to be dug up in northern Africa.
• Agathaumas The first ceratopsian dinosaur ever discovered.
• Agilisaurus This "agile lizard" was one of the earliest ornithopods.
• Agujaceratops It was once classified as a species of Chasmosaurus.
• Agustinia A large, spiny-backed sauropod.
• Ajkaceratops The first ceratopsian ever to be discovered in Europe.
• Alamosaurus No, it wasn"t named after the Alamo, but it should have been.
• Alaskacephale Guess what state this pachycephalosaur was found in?
• Albalophosaurus One of the few dinosaurs ever to be discovered in Japan.
• Albertaceratops The most basal "centrosaurine" yet identified.
• Albertadromeus This petite ornithopod was recently discovered in Canada.
• Albertonykus A tiny, birdlike, North American dinosaur.
• Albertosaurus This carnivorous dinosaur was a close relative of T. Rex.
• Alectrosaurus Few specimens of this "unmarried lizard" have been found.
• Aletopelta The first ankylosaur known to have lived in Mexico.
• Alioramus All we know about this tyrannosaur is based on a single skull.
• Allosaurus One of the most common predators of the Jurassic period.
• Altirhinus This "high-nosed" plant eater resembled an early hadrosaur.
• Alvarezsaurus A bird-like dinosaur of the late Cretaceous.
• Alwalkeria This Indian dinosaur was one of the earliest saurischians.
• Alxasaurus An early relative of the bizarre Therizinosaurus.
• Amargasaurus A bizarre, spined sauropod from South America.
• Amazonsaurus One of the few dinosaurs to be found in the Amazon basin.
• Ammosaurus This may (or may not) have been the same dinosaur as Anchisaurus.
• Ampelosaurus One of the best-known of the armored titanosaurs.
• Amphicoelias Could it have been the biggest dinosaur that ever lived?
• Amurosaurus The most complete hadrosaur to be discovered in Russia.
• Anabisetia The best-attested South American ornithopod.
• Anatosaurus This dinosaur is now known as either Anatotitan or Edmontosaurus.
• Anatotitan This hadrosaur"s name means "giant duck."
• Anchiceratops This dinosaur had a distinctively shaped frill.
• Anchiornis A four-winged dino-bird that resembled Microraptor.
• Anchisaurus One of the first dinosaurs ever to be dug up in the U.S.
• Andesaurus This titanosaur rivaled Argentinosaurus in size.
• Angaturama A Brazilian relative of Spinosaurus.
• Angolatitan The first dinosaur ever to be discovered in Angola.
• Angulomastacator This dinosaur had a strangely shaped upper jaw.
• Animantarx This "living fortress" was discovered in an unusual way.
• Ankylosaurus The Cretaceous equivalent of a Sherman tank.
• Anodontosaurus This "toothless lizard" actually had a full set of choppers.
• Anserimimus This "goose mimic" didn’t bear much of a resemblance.
• Antarctopelta The first dinosaur fossil ever discovered in Antarctica.
• Antarctosaurus This titanosaur may or may not have lived in Antarctica.
• Antetonitrus Either a very late prosauropod, or a very early sauropod.
• Anzu This Oviraptor relative was recently discovered in North America.
• Aorun A small theropod of late Jurassic Asia.
• Apatosaurus The dinosaur formerly known as Brontosaurus.
• Appalachiosaurus One of the few dinosaurs ever to be found in Alabama.
• Aquilops The earliest ceratopsian ever to be discovered in North America.
• Aragosaurus Named after the Aragon region of Spain.
• Aralosaurus Not much is known about this central Asian duckbill.
• Archaeoceratops Possibly the smallest ceratopsian that ever lived.
• Archaeopteryx This ancient, flying reptile was about the size of a modern pigeon.
• Archaeornithomimus A likely ancestor of Ornithomimus.
• Arcovenator This fierce abelisaur was recently discovered in France.
• Arcusaurus This prosauropod was recently discovered in South Africa.
• Argentinosaurus Possibly the largest dinosaur that ever lived.
• Argyrosaurus A plus-sized titanosaur from South America.
• Aristosuchus This "noble crocodile" was actually a dinosaur.
• Arrhinoceratops This ceratopsian was named for its "missing" nose horn.
• Astrodon The official state dinosaur of Maryland.
• Asylosaurus This "unharmed lizard" escaped destruction in World War II.
• Atlasaurus This sauropod had unusually long legs.
• Atlascopcosaurus Named after a manufacturer of digging equipment.
• Atrociraptor This "cruel thief" wasn"t as atrocious as its name implies.
• Aublysodon This tyrannosaur was named after a single tooth.
• Aucasaurus This predator was a close relative of Carnotaurus.
• Auroraceratops A close relative of Archaeoceratops.
• Australodocus This sauropod was found in modern-day Tanzania.
• Australovenator A brand-new carnivore from Australia.
• Austroraptor The largest raptor from South America.
• Austrosaurus This titanosaur was discovered near a train station.
• Avaceratops This ceratopsian is represented by a single juvenile.
• Aviatyrannis This "grandmother tyrant" was one of the first tyrannosaurs.
• Avimimus A particularly bird-like cousin of Oviraptor.

B

• Bactrosaurus One of the earliest of the duck-billed dinosaurs.
• Bagaceratops A small ceratopsian from central Asia.
• Bagaraatan No one is quite sure how to classify this theropod.
• Bahariasaurus This obscure carnivore may have been the size of T. Rex.
• Balaur This "stocky dragon" was recently discovered in Romania.
• Bambiraptor Yes, this tiny raptor was named after you-know-who.
• Barapasaurus Probably the first of the giant sauropods.
• Barilium Yet another iguanodontid ornithopod of the British Isles.
• Barosaurus An enormous plant-eater with a tiny head.
• Barsboldia This hadrosaur was named after Rinchen Barsbold.
• Baryonyx You wouldn"t want to clip this dinosaur"s claws.
• Batyrosaurus One of the most basal hadrosaurs yet identified.
• Becklespinax A strangely named theropod of the early Cretaceous period.
• Beipiaosaurus The only known feathered therizinosaur.
• Beishanlong This bird mimic weighed over half a ton.
• Bellusaurus A herd of this sauropod drowned in a flash flood.
• Berberosaurus This "Berber lizard" has proven difficult to classify.
• Bicentenaria This dinosaur was named for Argentina"s 200th anniversary.
• Bistahieversor This tyrannosaur had more teeth than T. Rex.
• Bonapartenykus This feathered dinosaur was found in close proximity to its eggs.
• Bonitasaura This titanosaur wasn"t as beautiful as its name implies.
• Borogovia This theropod was named after a Lewis Carroll poem.
• Bothriospondylus A case study in dinosaur confusion.
• Brachiosaurus A giant, gentle, long-necked plant-eater.
• Brachyceratops A little-known ceratopsian from North America.
• Brachylophosaurus This duck-billed dinosaur"s beak looked more like a parrot"s.
• Brachytrachelopan This sauropod had an unusually short neck.
• Bravoceratops This ceratopsian was recently discovered in Texas.
• Brontomerus Its name is Greek for "thunder thighs."
• Bruhathkayosaurus Was this titanosaur bigger than Argentinosaurus?
• Buitreraptor The oldest raptor ever discovered in South America.
• Byronosaurus This theropod was a close relative of Troodon.

C

• Camarasaurus The most common sauropod of Jurassic North America.
• Camarillasaurus A ceratosaur of early Cretaceous western Europe.
• Camelotia An early member of the line that evolved into sauropods.
• Camptosaurus A close relative of Iguanodon.
• Carcharodontosaurus Its name means "great white shark lizard." Impressed yet?
• Carnotaurus The shortest arms of any meat-eater--and horns to match.
• Caudipteryx A birdlike dinosaur that changed the views of paleontologists.
• Centrosaurus Like a unicorn, this ceratopsian only had one horn.
• Cerasinops A small ceratopsian of the late Cretaceous.
• Ceratonykus This dino-bird was discovered in Mongolia in 2009.
• Ceratosaurus This primitive carnivore is hard to classify.
• Cetiosauriscus Not to be confused with the more famous Cetiosaurus.
• Cetiosaurus Guess which creature this "whale lizard" was once mistaken for?
• Changyuraptor Was this feathered dinosaur capable of flight?
• Chaoyangsaurus An early ceratopsian of the late Jurassic period.
• Charonosaurus This duck-billed dinosaur was much bigger than an elephant.
• Chasmosaurus The only dinosaur that came with its own awning.
• Chialingosaurus One of the earliest Asian stegosaurs.
• Chilantaisaurus This large theropod may have been ancestral to Spinosaurus.
• Chilesaurus This plant-eating theropod was recently discovered in Chile.
• Chindesaurus This early dinosaur was a close relative of Herrerasaurus.
• Chirostenotes This birdlike dinosaur has been known by three different names.
• Chubutisaurus This titanosaur was on Tyrannotitan"s lunch menu.
• Chungkingosaurus This early stegosaur had some primitive characteristics.
• Citipati This Mongolian theropod was a close relative of Oviraptor.
• Claosaurus This "broken lizard" was a primitive hadrosaur.
• Coahuilaceratops It had the longest horns of any known ceratopsian dinosaur.
• Coelophysis One of the most ancient dinosaurs ever to roam the earth.
• Coelurus This tiny dinosaur was a close relative of Compsognathus.
• Colepiocephale This thick-skulled dinosaur"s name is Greek for "knucklehead."
• Compsognathus The size of a chicken, but much meaner.
• Concavenator This large theropod had a bizarre hump on its back.
• Conchoraptor This "conch thief" may have lunched on mollusks.
• Condorraptor A small theropod of middle Jurassic South America.
• Coronosaurus This "crown lizard" was once classified as a species of Centrosaurus.
• Corythosaurus This "Corinthian-helmeted" dino had a distinctive mating call.
• Crichtonsaurus This dinosaur was named after the author of Jurassic Park.
• Cruxicheiros This "cross-handed" dinosaur was named in 2010.
• Cryolophosaurus This crested carnivore was once known as "Elvisaurus."
• Cryptovolans Was this the same dinosaur as Microraptor?
• Cumnoria It was once mistakenly classified as a species of Iguanodon.
  

D

• Dacentrurus The first stegosaur ever to be described.
• Daemonosaurus This "evil lizard" was a close relative of Coelophysis.
• Dahalokely A rare theropod from the island of Madagascar.
• Dakotaraptor This giant raptor was recently discovered in South Dakota.
• Daspletosaurus This "frightful lizard" was a close cousin of T. Rex.
• Datousaurus A medium-sized sauropod from middle Jurassic Asia.
• Darwinsaurus "Darwin"s lizard" may or may not be a valid dinosaur genus.
• Deinocheirus All we know for sure about this carnivore is the shape of its arms.
• Deinodon This "terrible tooth" is important from an historical perspective.
• Deinonychus One of the most fearsome raptors of the Cretaceous period.
• Delapparentia This ornithopod was initially classified as a species of Iguanodon.
• Deltadromeus An unusually speedy theropod of the middle Cretaceous.
• Demandasaurus A poorly understood sauropod of early Cretaceous Europe.
• Diabloceratops It looked like a cross between a Triceratops and a Centrosaurus.
• Diamantinasaurus This titanosaur was recently discovered in Australia.
• Diceratops Was this two-horned dinosaur really a specimen of Triceratops?
• Dicraeosaurus A medium-sized, spiny-necked sauropod.
• 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.
• Diplodocus "Thin at one end, much thicker in the middle, and thin again at the far end."
• Dollodon Named after the Belgian paleontologist Louis Dollo.
• Draconyx This "dragon claw" lived in late Jurassic Portugal.
• Dracopelta This early ankylosaur was discovered in Portugal.
• Dracorex The only dinosaur to be named after the Harry Potter books.
• Dracovenator This "dragon hunter" was a close relative of Dilophosaurus.
• Dravidosaurus This "dinosaur" may actually have been a marine reptile.
• Dreadnoughtus This huge titanosaur was recently discovered in Argentina.
• Drinker Named after the famous paleontologist Edward Drinker Cope.
• Dromaeosauroides The only dinosaur ever to be discovered in Denmark.
• Dromaeosaurus This "running lizard" was probably covered with feathers.
• Dromiceiomimus Possibly the fastest dinosaur that ever lived.
• Dryosaurus A typical ornithopod of the late Jurassic.
• Dryptosaurus The first tyrannosaur to be discovered in the U.S.
• Dubreuillosaurus This megalosaur had a long, low snout.
• Duriavenator Yet another theropod that was once assigned to Megalosaurus.
• Dyoplosaurus This ankylosaur was once confused with Euoplocephalus.
• Dysalotosaurus We know a lot about this dinosaur"s growth stages.
• Dyslocosaurus Its name means "hard-to-place lizard."
• Dystrophaeus This Diplodocus-like sauropod was named by Edward Cope.

E

• Echinodon One of the few ornithopods to sport a set of canines.
• Edmarka This may have been a species of Torvosaurus.
• Edmontonia This armored dinosaur never actually lived in Edmonton.
• Edmontosaurus This large, duck-billed herbivore was a contemporary of T. Rex.
• Efraasia This Triassic herbivore may have been ancestral to sauropods.
• Einiosaurus This ceratopsian was a close relative of Centrosaurus.
• Ekrixinatosaurus Its name means "explosion-born lizard."
• Elaphrosaurus A lightweight theropod from the late Jurassic.
• Elmisaurus This "foot lizard" was a close relative of Oviraptor.
• Elopteryx This Transylvanian dinosaur is almost as controversial as Dracula.
• Elrhazosaurus Once classified as a species of Valdosaurus.
• Enigmosaurus This "puzzle lizard" was closely related to Therizinosaurus.
• Eoabelisaurus The earliest abelisaurid theropod yet identified.
• Eobrontosaurus This "dawn brontosaurus" isn"t accepted by most experts.
• Eocarcharia This "dawn shark" prowled the woodlands of northern Africa.
• Eocursor This late Triassic reptile was one of the earliest true dinosaurs.
• Eodromaeus Yet another ancient theropod from South America.
• Eolambia An early hadrosaur from North America.
• Eoraptor This tiny dinosaur was among the first of its kind.
• Eosinopteryx A tiny feathered dinosaur of the late Jurassic period.
• Eotriceratops This "dawn Triceratops" was recently discovered in Canada.
• Eotyrannus This early tyrannosaur looked more like a raptor.
• Epachthosaurus This "heavy lizard" was relatively primitive for its time and place.
• Epidendrosaurus Did this tiny dino-bird spend its life up a tree?
• Epidexipteryx This feathered dinosaur predated Archaeopteryx.
• Equijubus Its name is Greek for "horse mane."
• Erectopus This "upright-footed" dinosaur is a 19th-century enigma.
• Erketu This titanosaur had an unusually long neck.
• Erliansaurus A basal therizinosaur from central Asia.
• Erlikosaurus This late therizinosaur roamed the Mongolian forests.
• Euhelopus The first sauropod to be discovered in China.
• Euoplocephalus Even this ankylosaur"s eyelids were armored.
• Europasaurus The smallest sauropod ever discovered.
• Europelta This early nodosaur was recently discovered in Spain.
• Euskelosaurus The first dinosaur ever to be discovered in Africa.
• Eustreptospondylus A close cousin of Megalosaurus.

F

• Fabrosaurus This early ornithopod may have been a species of Lesothosaurus.
• Falcarius A bizarre, feathered theropod from North America.
• Ferganasaurus The first dinosaur ever to be discovered in the USSR.
• Fruitadens One of the tiniest dinosaurs ever to live in North America.
• Fukuiraptor One of the few carnivorous dinosaurs ever to be dug up in Japan.
• Fukuisaurus This ornithopod was discovered in Japan.
• Fulgurotherium Very little is known about this "lightning beast."
• Futalognkosaurus A very big, and very strangely named, sauropod.

G

• Gallimimus This "chicken mimic" roamed the plains of the late Cretaceous.
• Gargoyleosaurus This "gargoyle lizard" was an ancestor of Ankylosaurus.
• Garudimimus A relative slowpoke compared to other ornithomimids.
• Gasosaurus Yes, that"s its real name, and no, it isn"t for the reason you think.
• Gasparinisaura One of the few ornithopods known to have lived in South America.
• Gastonia This ankylosaur was probably on Utahraptor"s lunch menu.
• Genyodectes This dinosaur is represented by an impressive set of teeth.
• Gideonmantellia Guess what naturalist this dinosaur was named after?
• Giganotosaurus Not quite a "Gigantosaurus," but close enough.
• Gigantoraptor This huge oviraptor weighed over two tons.
• Gigantspinosaurus It may or may not have been a true stegosaur.
• Gilmoreosaurus One of the few dinosaurs known to have suffered from cancer.
• Giraffatitan Might this "giant giraffe" have been a species of Brachiosaurus?
• Glacialisaurus This "frozen lizard" was a close relative of Lufengosaurus.
• Gobiceratops This ceratopsian"s tiny skull was found in the Gobi Desert.
• Gobisaurus An unusually large ankylosaur of central Asia.
• Gobivenator This feathered dinosaur gave Velociraptor a run for its money.
• Gojirasaurus This early predator was named after Godzilla.
• Gondwanatitan Yet another titanosaur from South America.
• Gorgosaurus Might this tyrannosaur have been a species of Albertosaurus?
• Goyocephale A primitive bonehead from Asia.
• Graciliraptor This tiny dino-bird was a close relative of Microraptor.
• Gryphoceratops A tiny ceratopsian of Cretaceous North America.
• Gryponyx This "hooked claw" was a distant sauropod ancestor.
• Gryposaurus One of the most common of the duck-billed dinosaurs.
• Guaibasaurus Was this early dinosaur a theropod or a prosauropod?
• Guanlong Probably the first tyrannosaur ever to walk the earth.

H

• Hadrosaurus The official state dinosaur of New Jersey.
• Hagryphus The largest North American oviraptor yet discovered.
• Halticosaurus A "nomen dubium" theropod of the early 20th century.
• Haplocanthosaurus A typical sauropod of the late Jurassic period.
• Haplocheirus This feathered dinosaur predated Archeopteryx by millions of years.
• Harpymimus Named after the winged creature of Greek myth.
• Haya This dinosaur was named after a horse-headed Mongolian god.
• Herrerasaurus This carnivore roamed present-day South America.
• Hesperonychus A tiny North American dinosaur.
• Hesperosaurus The oldest stegosaur discovered in North America.
• Heterodontosaurus This "different-toothed" dinosaur was a dentist"s nightmare.
• Hexing This early ornithomimid was recently discovered in China.
• Hexinlusaurus Named after the Chinese professor He Xin-Lu.
• Heyuannia Yet another close relative of Oviraptor.
• Hippodraco This "horse dragon" was recently discovered in Utah.
• Homalocephale This herbivore had a very flat--and very thick--skull.
• Hongshanosaurus This early ceratopsian is known by two skulls.
• Hoplitosaurus Named after the heavily armored soldiers of classical Greece.
• Huabeisaurus A titanosaur from northern China.
• Huanghetitan Yet another contender for the biggest dinosaur that ever lived.
• Huaxiagnathus One of the biggest dino-birds of its time.
• Huaxiaosaurus Might it be an unusually large specimen of Shantungosaurus?
• Huayangosaurus Could this have been the ancestor of all the stegosaurs?
• Huehuecanauhtlus Its name is Aztec for "ancient duck."
• Hungarosaurus The best-attested ankylosaur ever discovered in Europe.
• Huxleysaurus Named after the famous biologist Thomas Henry Huxley.
• Hylaeosaurus One of the first creatures ever to be called a dinosaur.
• Hypacrosaurus We know a lot about this dinosaur"s family life.
• Hypselosaurus This titanosaur"s eggs were a foot in diameter.
• Hypselospinus It was once classified as a species of Iguanodon.
• Hypsibema The official state dinosaur of Missouri.
• Hypsilophodon This man-sized herbivore liked to eat and run.

I

• Ichthyovenator This sail-backed dinosaur was recently discovered in Laos.
• Ignavusaurus Its name means "cowardly lizard."
• Iguanacolossus A brand-new ornithopod from North America.
• Iguanodon The second dinosaur in history ever to receive a name.
• Ilokelesia A primitive abelisaur from South America.
• Incisivosaurus This buck-toothed dinosaur was the Cretaceous equivalent of a beaver.
• Indosuchus This "Indian crocodile" was actually a dinosaur.
• Ingenia A small, birdlike dinosaur from central Asia.
• Irritator This spinosaur was named by a very frustrated paleontologist.
• Isanosaurus One of the first sauropods ever to walk the earth.
• Isisaurus Otherwise known as the Indian Statistical Institute Lizard.

J

• Jainosaurus Named after the Indian paleontologist Sohan Lal Jain.
• Janenschia The earliest titanosaur in the fossil record.
• Jaxartosaurus A poorly known hadrosaur from central Asia.
• Jeholosaurus This ornithopod may have had an omnivorous diet.
• Jeyawati Its name is Zuni for "grinding mouth."
• Jianchangosaurus One of the earliest therizinosaurs in the fossil record.
• Jinfengopteryx This feathered dinosaur was once thought to be a true bird.
• Jingshanosaurus A close relative of Yunnanosaurus.
• Jinzhousaurus This Asian dinosaur was one of the first hadrosaurs.
• Jobaria A strange, short-tailed African sauropod.
• Judiceratops The earliest Chasmosaurus ancestor yet identified.
• Juratyrant This early tyrannosaur was discovered in England.
• Juravenator Why didn"t this presumed "dino-bird" have feathers?

K

• Kaatedocus This Diplodocus relative had a characteristic grin.
• Kaijiangosaurus This might have been the same dinosaur as Gasosaurus.
• Kazaklambia This duck-billed dinosaur was discovered in Kazakhstan.
• Kentrosaurus A smaller, African cousin of Stegosaurus.
• Kerberosaurus Named after the three-headed dog of Greek myth.
• Khaan Few small mammals dared face the wrath of this dinosaur.
• Kileskus Yet another "basal" tyrannosaur from central Asia.
• Kinnareemimus This "bird mimic" dinosaur was recently discovered in Thailand.
• Kol It"s tied with Mei for "shortest dinosaur name."
• Koreaceratops Did this ceratopsian like to go swimming?
• Koreanosaurus Guess what country this ornithopod was discovered in.
• Kosmoceratops This ceratopsian had a bizarre, downward-folding frill.
• Kotasaurus One of the few sauropods to be discovered in India.
• Kritosaurus A famous, but poorly understood, hadrosaur.
• Kryptops This dinosaur came equipped with its own face mask.
• Kukufeldia Yet another ornithopod that was once lumped in with Iguanodon.
• Kulindadromeus Why did this ornithopod dinosaur have feathers?
• Kundurosaurus This hadrosaur was discovered in the far east of Russia.

L

• Labocania It may or may not have been a true tyrannosaur.
• Lagosuchus Could this have been the ancestor of all the dinosaurs?
• Lambeosaurus This herbivore had a hatchet-shaped crest on its noggin.
• Lamplughsaura This early sauropod was discovered in India.
• Lanzhousaurus This herbivore"s teeth were half a foot long.
• Laosaurus This dubious ornithopod was named by Othniel C. Marsh.
• Lapparentosaurus This sauropod was discovered in Madagascar.
• Laquintasaura The first plant-eating dinosaur ever to be discovered in Venezuela.
• Latirhinus This duck-billed dinosaur had an enormous nose.
• Leaellynasaura The only dinosaur ever to be named after a little girl.
• Leinkupal The latest surviving diplodocid sauropod.
• Leonerasaurus This prosauropod was recently discovered in Argentina.
• Leptoceratops One of the most primitive of all ceratopsians.
• Leshansaurus Did this meat-eater feast on small, armored dinosaurs?
• Lesothosaurus One of the earliest of all the ornithischian dinosaurs.
• Lessemsaurus Named after the popular science writer Don Lessem.
• Lexovisaurus One of the oldest European stegosaurs.
• Leyesaurus A newly discovered prosauropod from South America.
• Liaoceratops A tiny ceratopsian of early Cretaceous Asia.
• Liaoningosaurus One of the smallest ankylosaurs in the fossil record.
• Liliensternus One of the largest carnivores of the Triassic period.
• Limaysaurus It was once classified as a species of Rebbachisaurus.
• Limusaurus Was this toothless theropod a vegetarian?
• Linhenykus This tiny dinosaur had single-clawed hands.
• Linheraptor This Mongolian raptor was discovered in 2008.
• Linhevenator This troodont was recently discovered in Mongolia.
• Lophorhothon The first dinosaur ever to be discovered in Alabama.
• Lophostropheus This theropod lived near the Triassic/Jurassic boundary.
• Loricatosaurus This stegosaur was once classified as a species of Lexovisaurus.
• Lourinhanosaurus Not to be confused with Lourinhasaurus, below.
• Lourinhasaurus Not to be confused with Lourinhanosaurus, above.
• Luanchuanraptor A small, poorly understood Asian raptor.
• Lufengosaurus A common sight at Chinese natural history museums.
• Lurdusaurus This ornithopod resembled a giant sloth.
• Lusotitan This sauropod was once classified as a species of Brachiosaurus.
• Lycorhinus This dinosaur was once thought to be a mammal-like reptile.
• Lythronax This tyrannosaur lived on the island of Laramidia.

M

• Machairasaurus This "short scimitar lizard" was a close relative of Oviraptor.
• Macrogryphosaurus Otherwise known as the Big Enigmatic Lizard.
• Magnapaulia The largest lambeosaurine hadrosaur yet identified.
• Magnirostris This ceratopsian had an unusually big beak.
• Magnosaurus Once thought to be a species of Megalosaurus.
• Magyarosaurus This dwarf titanosaur was probably confined to a small island.
• Mahakala This dino-bird was named after a Buddhist deity.
• Maiasaura This "good mother lizard" kept close tabs on her young.
• Majungasaurus Fairly--or unfairly--known as the "cannibal dinosaur."
• Malawisaurus The first titanosaur to be found with an intact skull.
• Mamenchisaurus The longest-necked dinosaur that ever lived.
• Manidens A strangely toothed relative of Heterodontosaurus.
• Mantellisaurus Named after the famous fossil hunter Gideon Mantell.
• Mantellodon This Iguanodon refugee may or may not deserve its own genus.
• Mapusaurus This huge carnivore was closely related to Giganotosaurus.
• Marshosaurus Named after the famous paleontologist Othniel C. Marsh.
• Martharaptor This dinosaur was named after a Utah paleontologist.
• Masiakasaurus A bizarre, buck-toothed predator of the late Cretaceous.
• Massospondylus This small, lithe, bipedal plant-eater roamed the plains of South Africa.
• Maxakalisaurus One of the biggest titanosaurs ever found in Brazil.
• Medusaceratops This frilled dinosaur was a close relative of Centrosaurus.
• Megalosaurus The first dinosaur ever to be discovered and named.
• Megapnosaurus Its name is Greek for "big dead lizard."
• Megaraptor Despite its name, it wasn"t really a raptor.
• Mei The current record-holder for "shortest dinosaur name."
• Melanorosaurus Probably the largest prosauropod that ever lived.
• Mendozasaurus This titanosaur was ancestral to Futalognkosaurus.
• Mercuriceratops This ceratopsian was discovered on the U.S./Canada border.
• Metriacanthosaurus Yet another dinosaur that was once mistaken for Megalosaurus.
• Microceratops Probably the smallest ceratopsian that ever lived.
• Micropachycephalosaurus The current record-holder for longest dinosaur name.
• Microraptor This tiny proto-bird had four wings rather than two.
• Microvenator This "tiny hunter" actually measured 10 feet from head to tail.
• Minmi An early (and very dumb) ankylosaur from Australia.
• Minotaurasaurus Named after the half-man, half-bull of Greek myth.
• Miragaia This stegosaur had an unusually long neck.
• Mirischia Its name means "wonderful pelvis."
• Mochlodon One of the few dinosaurs ever to be discovered in Austria.
• Mojoceratops This ceratopsian had a heart-shaped frill.
• Monkonosaurus The first dinosaur ever to be discovered in modern-day Tibet.
• Monoclonius Might this have been a species of Centrosaurus?
• Monolophosaurus This Jurassic predator had a single crest on its skull.
• Mononykus This dinosaur may have dug into termite mounds for its lunch.
• Montanoceratops A primitive ceratopsian of the late Cretaceous period.
• Mussaurus This "mouse lizard" lived in Triassic South America.
• Muttaburrasaurus The most complete dinosaur fossil ever found in Australia.
• Mymoorapelta Named after the Mygand-Moore quarry in Colorado.

N

• Nankangia A recently discovered oviraptor from China.
• Nanosaurus This "tiny lizard" was named by Othniel C. Marsh.
• Nanotyrannus Could this have been a juvenile T. Rex?
• Nanshiungosaurus A bizarre therizinosaur from Asia.
• Nanuqsaurus This "polar lizard" was recently discovered in Alaska.
• Nanyangosaurus An iguanodontid ornithopod of middle Cretaceous Asia.
• Nasutoceratops This dinosaur had horns like a modern steer.
• Nebulasaurus This "nebula lizard" was recently discovered in China.
• Nedcolbertia Named after the famous paleontologist Edwin Colbert.
• Neimongosaurus A rare therizinosaur from inner Mongolia.
• Nemegtomaia This dinosaur had a bizarrely shaped skull.
• Nemegtosaurus This titanosaur has been recreated from a single, incomplete skull.
• Neovenator One of the largest carnivorous dinosaurs of western Europe.
• Neuquenraptor It may actually be a species (or specimen) of Unenlagia.
• Neuquensaurus Was this titanosaur really a species of Saltasaurus?
• Nigersaurus This African sauropod had a huge number of teeth.
• Nipponosaurus This hadrosaur was discovered on the island of Sakhalin.
• Noasaurus Were this predator"s giant claws on its hands, or on its feet?
• Nodocephalosaurus This armored dinosaur has been reconstructed from a single skull.
• Nodosaurus One of the first armored dinosaurs ever discovered in North America.
• Nomingia This small dinosaur had a peacock-like tail.
• Nothronychus The first therizonosaur to be found outside Asia.
• Notohypsilophodon A rare South American ornithopod.
• Nqwebasaurus One of the few theropods to be discovered in sub-Saharan Africa.
• Nuthetes This raptor was named after the modern monitor lizard.
• Nyasasaurus Could this be the earliest dinosaur in the fossil record?

O

• Ojoceratops A very close relative of Triceratops.
• Olorotitan One of the most complete dinosaur fossils ever found in Russia.
• Omeisaurus One of the most common Chinese sauropods.
• Oohkotokia Its name is Blackfoot for "large stone."
• Opisthocoelicaudia A clumsily named titanosaur of the late Cretaceous period.
• Orkoraptor The southernmost theropod ever to live in South America.
• Ornithodesmus This mysterious raptor was once thought to be a pterosaur.
• Ornitholestes This "bird robber" probably preyed on small lizards instead.
• Ornithomimus This "bird mimic" resembled a modern ostrich.
• Ornithopsis This "bird face" was actually a genus of titanosaur.
• Orodromeus This tiny herbivore was on Troodon"s dinner menu.
• Orthomerus One of the few dinosaurs to be discovered in Holland.
• Oryctodromeus The only ornithopod known to have lived in burrows.
• Ostafrikasaurus Could this have been the earliest known spinosaur?
• Othnielia Named after the famous paleontologist Othniel C. Marsh.
• Othnielosaurus Also named after the famous paleontologist Othniel C. Marsh.
• Ouranosaurus Scientists can"t decide if this herbivore had a sail or a hump.
• Overosaurus This dwarf titanosaur was announced to the world in 2013.
• Oviraptor Turns out that this "egg thief" got a bad rap.
• Oxalaia This spinosaur was recently discovered in Brazil.
• Ozraptor Not much is known about this Australian theropod.

P

• Pachycephalosaurus This plant-eater gave new meaning to the word "blockhead."
• Pachyrhinosaurus This "thick-nosed lizard" roamed the North American forests.
• Palaeoscincus This "ancient skink" was actually an armored dinosaur.
• Paluxysaurus A contender for the official Texas state dinosaur.
• Pampadromaeus This "Pampas runner" was ancestral to sauropods.
• Pamparaptor This raptor was discovered in the Argentinian Pampas.
• Panamericansaurus This titanosaur was named after an energy company.
• Panoplosaurus A squat, stocky nodosaur of the late Cretaceous.
• Panphagia Its name is Greek for "eats everything."
• Pantydraco No, this dinosaur didn"t wear you-know-what.
• Paralititan This huge sauropod was discovered recently in Egypt.
• Paranthodon This stegosaur was discovered over 150 years ago.
• Pararhabdodon The western European equivalent of Tsintaosaurus.
• Parasaurolophus Probably the loudest dinosaur ever to roam the earth.
• Parksosaurus It was once classified as a species of Thescelosaurus.
• Paronychodon This "tooth taxon" didn"t make it out of the 19th century.
• Parvicursor One of the smallest dinosaurs yet identified.
• Patagosaurus This "Patagonian lizard" hailed from South America.
• Pawpawsaurus This ancient nodosaur was discovered in Texas.
• Pedopenna One of the earliest known dino-birds.
• Pegomastax This dinosaur was covered with porcupine-like bristles.
• Pelecanimimus This "pelican mimic" sported over 200 teeth.
• Peloroplites This "monstrous Hoplite" was recently discovered in Utah.
• Pelorosaurus The first sauropod ever to be discovered.
• Pentaceratops This "five-horned" herbivore really had only three.
• Philovenator As its name says, this dinosaur "loved to hunt."
• Phuwiangosaurus This titanosaur was discovered in modern-day Thailand.
• Piatnitzkysaurus Its teeth were as sharp as its name is funny.
• Pinacosaurus Did this ankylosaur roam central Asia in herds?
• Pisanosaurus One of the earliest known ornithischian dinosaurs.
• Piveteausaurus No one is quite sure what to make of this theropod dinosaur.
• Planicoxa A medium-sized iguanodont of early Cretaceous North America.
• Plateosaurus This herd dinosaur blackened the plains of the late Triassic.
• Pleurocoelus The official state dinosaur of Texas.
• Pneumatoraptor This "air thief" was recently discovered in Hungary.
• Podokesaurus One of the earliest dinosaurs to live in eastern North America.
• Poekilopleuron It may (or may not) have been a species of Megalosaurus.
• Polacanthus An extremely spiky ankylosaur of the middle Cretaceous.
• Prenocephale This "bonehead" had a round, thick skull.
• Prenoceratops A close relative of Leptoceratops.
• Proa This ornithopod was named after its prow-shaped jaw.
• Probactrosaurus An early stage in hadrosaur evolution.
• Proceratosaurus Despite its name, not a close relative of Ceratosaurus.
• Procompsognathus Was it an archosaur, or an early dinosaur?
• Propanoplosaurus This baby ankylosaur was recently discovered in Maryland.
• Prosaurolophus The likely ancestor of both Saurolophus and Parasaurolophus.
• Protarchaeopteryx "Before Archaeopteryx?" It actually lived millions of years later.
• Protoceratops A famous dinosaur with a very funky frill.
• Protohadros Despite its name, it wasn"t really the "first hadrosaur."
• Psittacosaurus This dinosaur"s noggin wouldn"t have looked out of place on a parrot.
• Puertasaurus This titanosaur rivaled Argentinosaurus in size.
• Pyroraptor This "fire thief" prowled the plains of prehistoric France.

Q

• Qantassaurus Named after the national airline of Australia.
• Qianzhousaurus This long-snouted tyrannosaur has been nicknamed Pinocchio Rex.
• Qiaowanlong An Asian relative of Brachiosaurus.
• Qiupalong This "bird mimic" dinosaur was recently discovered in China.
• Quaesitosaurus This titanosaur may have had unusually sharp hearing.
• Quilmesaurus This dinosaur was named after an indigenous South American tribe.

R

• Rahiolisaurus This Indian dinosaur is represented by seven tangled individuals.
• Rahonavis Was it a raptor-like bird, or a bird-like raptor?
• Rajasaurus This "prince lizard" lived in what is now modern-day India.
• Rapator No, this mysterious Australian theropod wasn"t a raptor.
• Rapetosaurus The only sauropod ever to be discovered on modern-day Madagascar.
• Raptorex A pint-sized precursor of T. Rex.
• Rebbachisaurus A poorly understood sauropod from northern Africa.
• Regaliceratops This ceratopsian had a huge, crown-shaped frill.
• Regnosaurus This stegosaur lived in what is now modern-day England.
• Rhabdodon A possible "missing link" between Iguanodon and Hypsilophodon.
• Rhinorex This duck-billed dinosaur had an unusually large nose.
• Rhoetosaurus A medium-sized sauropod from Down Under.
• Richardoestesia Named after the paleontologist Richard Estes.
• Rinchenia Named after the famous paleontologist Rinchen Barsbold.
• Rinconsaurus A modestly sized titanosaur of South America.
• Riojasaurus One of the few prosauropods known to have lived in South America.
• Rubeosaurus A ceratopsian dinosaur from the Two Medicine Formation.
• Rugops This wrinkly-faced carnivore probably fed on abandoned carcasses.

S

• Sahaliyania This hadrosaur"s name is Manchurian for "black."
• Saichania This ankylosaur"s name is Chinese for "beautiful."
• Saltasaurus The first armored sauropod ever to be discovered.
• Saltopus Experts aren"t sure if this was a dinosaur or an archosaur.
• Sanjuansaurus An early theropod from South America.
• Santanaraptor Named after Brazil"s Santana formation.
• Sarahsaurus This prosauropod had unusually strong hands.
• Sarcolestes The most likely ancestor of the ankylosaurs.
• Sarcosaurus This "flesh lizard" roamed early Jurassic England.
• Saturnalia The earliest dinosaur known to have had a herbivorous diet.
• Saurolophus One of the few hadrosaurs known to have lived on two continents.
• Sauroniops This dinosaur"s name means "Eye of Sauron."
• Sauropelta This ankylosaur"s armor helped keep raptors at bay.
• Saurophaganax The official state dinosaur of Oklahoma.
• Sauroposeidon One of the tallest dinosaurs ever to walk the earth.
• Saurornithoides A Troodon-like predator from central Asia.
• Saurornitholestes A close cousin of Velociraptor.
• Scansoriopteryx This early proto-bird probably lived in trees.
• Scelidosaurus Among the earliest of all the armored dinosaurs.
• Scipionyx One of the most perfectly preserved dinosaur fossils ever found.
• Sciurumimus This "squirrel mimic" was one of the earliest feathered dinosaurs.
• Scolosaurus It was once classified as a species of Euoplocephalus.
• Scutellosaurus Probably the smallest of all the armored dinosaurs.
• Secernosaurus The first hadrosaur to be discovered in South America.
• Seitaad This small dinosaur may have been buried in an avalanche.
• Segisaurus An early dinosaur closely related to Coelophysis.
• Segnosaurus One of the most unusual (and poorly understood) Cretaceous dinosaurs.
• Seismosaurus It was huge, to be sure--but might it have been a species of Diplodocus?
• Sellosaurus Another early prosauropod of the Triassic period.
• Serendipaceratops Was this really an Australian ceratopsian?
• Shamosaurus This Mongolian ankylosaur was a close relative of Gobisaurus.
• Shanag A basal raptor of early Cretaceous Asia.
• Shantungosaurus The biggest of all the duck-billed dinosaurs.
• Shaochilong Its name is Chinese for "shark-toothed dragon."
• Shenzhousaurus A small, primitive ornithomimid from China.
• Shunosaurus Anatomically speaking, probably the best known of all the sauropods.
• Shuvosaurus Was this meat eater an early dinosaur, or a two-legged crocodile?
• Shuvuuia Scientists can"t decide if it was a dinosaur or a bird.
• Siamodon This ornithopod was recently discovered in Thailand.
• Siamosaurus This may (or may not) have been a spinosaur from Thailand.
• Siamotyrannus Despite its name, it wasn"t a true tyrannosaur.
• Siats One of the largest theropods ever to live in North America.
• Sigilmassasaurus Was this really a species of Carcharodontosaurus?
• Silvisaurus This primitive nodosaur was discovered in Kansas.
• Similicaudipteryx The juveniles may have been differently feathered than the adults.
• Sinocalliopteryx The biggest "dino-bird" yet discovered.
• Sinoceratops A rare ceratopsian from late Cretaceous China.
• Sinornithoides A small, feathered dinosaur closely related to Troodon.
• Sinornithomimus This ornithomimid is known from over a dozen skeletons.
• Sinornithosaurus A typical dino-bird of the early Cretaceous.
• Sinosauropteryx The first dinosaur proven to have feathers.
• Sinosaurus It was once classified as an Asian species of Dilophosaurus.
• Sinotyrannus This "Chinese tyrant" was an ancient ancestor of tyrannosaurs.
• Sinovenator This "Chinese hunter" preyed on its fellow dino-birds.
• Sinraptor Despite its name, this allosaur wasn"t any better or worse than other dinosaurs.
• Sinusonasus It sounds like a disease, but it was actually a feathered dinosaur.
• Skorpiovenator This "scorpion hunter" really ate meat.
• Sonorasaurus The remains of this sauropod were discovered in Arizona.
• Sphaerotholus Yet another dome-headed dino from North America.
• Spinophorosaurus This early sauropod had a "thagomizer" on its tail.
• Spinops This ceratopsian was named 100 years after its bones were found.
• Spinosaurus This dino was distinguished by the sail-like structure on its back.
• Spinostropheus This theropod was once thought to be a species of Elaphrosaurus.
• Staurikosaurus Another primitive theropod of the Triassic period.
• Stegoceras This small herbivore was built for high-speed head-butting.
• Stegosaurus The small-brained, spike-tailed plant eater.
• Stenopelix Experts aren"t sure how to classify this dinosaur.
• Stokesosaurus Some experts think this was the earliest tyrannosaur.
• Struthiomimus This "ostrich mimic" roamed the plains of North America.
• Struthiosaurus The smallest nodosaur yet discovered.
• Stygimoloch Its name means "demon from the river of death." Got your attention yet?
• Styracosaurus Winner of the "most elaborate head display" competition.
• Suchomimus A fish-eater with a distinctly crocodilian profile.
• Sulaimanisaurus One of the few dinosaurs ever to be discovered in Pakistan.
• Supersaurus No, it didn"t wear a cape--but this giant dino was still impressive.
• Suuwassea Its name is Native American for "ancient thunder."
• Suzhousaurus A large, early Cretaceous therizinosaur.
• Szechuanosaurus This theropod was a close relative of Sinraptor.

T

• Tachiraptor The first meat-eating dinosaur ever to be discovered in Venezuela.
• Talarurus This ankylosaur was discovered in the Gobi Desert.
• Talenkauen A rare ornithopod from South America.
• Talos This dinosaur was found with an injured big toe.
• Tangvayosaurus This Laotian titanosaur was closely related to Phuwiangosaurus.
• Tanius Not much is known about this Chinese hadrosaur.
• Tanycolagreus This mysterious theropod was once thought to be a species of Coelurus.
• Taohelong The first "polacanthine" ankylosaur ever to be discovered in Asia.
• Tapuiasaurus A recently discovered titanosaur from South America.
• Tarascosaurus The only known abelisaur of the northern hemisphere.
• Tarbosaurus The second-biggest tyrannosaur after T. Rex.
• Tarchia Its name means "brainy," but that may be an exaggeration.
• Tastavinsaurus This titanosaur was discovered in Spain.
• Tatankacephalus A brand-new ankylosaur from North America.
• Tatankaceratops Was this really a juvenile specimen of Triceratops?
• Tataouinea No, this dinosaur wasn"t named after Tatooine in Star Wars.
• Tawa This ancient theropod points to a South American origin for dinosaurs.
• Tazoudasaurus This Vulcanodon relative was one of the earliest sauropods.
• Technosaurus This early herbivore was named after Texas Tech university.
• Tehuelchesaurus This sauropod was named after an indigenous South American people.
• Telmatosaurus This duck-billed dinosaur was discovered in Transylvania.
• Tendaguria This Tanzanian sauropod has proven difficult to classify.
• Tenontosaurus This long-tailed herbivore was hunted by Deinonychus.
• Teratophoneus This "monstrous murderer" wasn"t all that big.
• Tethyshadros One of the few dinosaurs to be found in modern-day Italy.
• Texacephale This Texan pachycephalosaur was named in 2010.
• Thecocoelurus Is this the earliest ornithomimid in the fossil record?
• Thecodontosaurus The first prosauropod ever to be discovered.
• Theiophytalia Its name means "garden of the gods."
• Therizinosaurus What did Little Orphan Annie say to this dinosaur? "Reaping lizards!"
• Thescelosaurus Did paleontologists find this dinosaur"s mummified heart?
• Tianchisaurus This dinosaur"s species name honors Jurassic Park.
• Tianyulong Why did this ornithopod have feathers?
• Tianyuraptor A small, long-legged raptor from eastern Asia.
• Tianzhenosaurus This ankylosaur"s skull has been spectacularly preserved.
• Timimus The only ornithomimid ever discovered in Australia.
• Titanoceratops The biggest of all the horned, frilled dinosaurs.
• Titanosaurus This sauropod may--or may not--have been a unique member of its genus.
• Tochisaurus A large troodont of late Cretaceous Asia.
• Tornieria This sauropod has a complicated taxonomic history.
• Torosaurus Was it really an elderly specimen of Triceratops?
• Torvosaurus One of the largest predators of Jurassic North America.
• Triceratops The famous three-horned plant-eater.
• Trinisaura The first ornithopod ever to be discovered in Antarctica.
• Troodon Possibly the smartest dinosaur that ever lived.
• Tsaagan One of the earliest raptors yet discovered.
• Tsintaosaurus Also known as the "Unicorn Dinosaur."
• Tuojiangosaurus One of the most well-known Chinese stegosaurs.
• Turanoceratops What was this ceratopsian doing in late Cretaceous Asia?
• Turiasaurus The largest dinosaur ever to be discovered in Europe.
• Tylocephale The tallest-domed of all the pachycephalosaurs.
• Tyrannosaurus Rex The once--and always--king of the dinosaurs.
• Tyrannotitan We know very little about this fearsomely named dinosaur.

U

• Uberabatitan Discovered in the Uberaba region of Brazil.
• Udanoceratops The largest ceratopsian to run on two legs.
• Unaysaurus One of the oldest prosauropods yet discovered.
• Unenlagia This bird-like raptor was native to South America.
• Unescoceratops Named after the United Nation"s UNESCO.
• Urbacodon This Troodon-like predator was discovered in Uzbekistan.
• Utahceratops Guess what state this dinosaur was discovered in?
• Utahraptor Probably the biggest raptor that ever lived.
• Uteodon It was once classified as a species of Camptosaurus.

V

• Vagaceratops This big-frilled dinosaur was closely related to Kosmoceratops.
• Vahiny Its name is Malagasy for "traveler."
• Valdoraptor This early "bird mimic" dinosaur lived in England.
• Valdosaurus This ornithopod was discovered on the Isle of Wight.
• Variraptor The first raptor ever to be discovered in France.
• Velafrons A new addition to the duck-billed dinosaur family.
• Velociraptor This dinosaur was vicious--but a lot smaller than you thought.
• Velocisaurus A small, speedy theropod of late Cretaceous South America.
• Venenosaurus This "poison lizard" was really a gentle plant-eater.
• Veterupristisaurus One of the earliest carcharodontosaurs yet identified.
• Vulcanodon An early sauropod of the Jurassic period.

W

• Wannanosaurus Probably the smallest of all the bone-headed dinosaurs.
• Wellnhoferia Was it really a species of Archaeopteryx?
• Wendiceratops This dinosaur honors Canadian fossil hunter Wendy Sloboda.
• Willinakaqe A rare duck-billed dinosaur from South America.
• Wintonotitan Another new titanosaur from Australia.
• Wuerhosaurus Could this have been the last of the stegosaurs?
• Wulagasaurus The earliest saurolophine hadrosaur in the fossil record.

X

• Xenoceratops This "alien horned face" was announced in 2012.
• Xenoposeidon Experts aren"t sure how to classify this sauropod.
• Xenotarsosaurus A poorly understood abelisaur from South America.
• Xiaosaurus A small ornithopod from late Jurassic Asia.
• Xiaotingia This feathered dinosaur predated Archaeopteryx.
• Xinjiangtitan This huge sauropod was a close relative of Mamenchisaurus.
• Xiongguanlong A small, primitive tyrannosaur from Asia.
• Xixianykus A long-legged dino-bird from eastern Asia.
• Xuanhanosaurus You didn"t think there"d be so many "X""s on this list, did you?
• Xuanhuaceratops An early ceratopsian of the late Jurassic.
• Xuwulong This iguanodontid ornithopod was recently discovered in China.

Y

• Yamaceratops No, it didn"t have a sweet potato for a head.
• Yandusaurus A small ornithopod of middle Jurassic China.
• Yangchuanosaurus A large theropod of late Jurassic Asia.
• Yaverlandia A classic case of mistaken dinosaur identity.
• Yi Qi This strange Jurassic dinosaur had bat-like wings.
• Yimenosaurus One of the better-known Chinese prosauropods.
• Yinlong This "hidden dragon" was an early ceratopsian.
• Yixianosaurus How did this dino-bird use its long fingers?
• Yizhousaurus The earliest intact sauropod yet discovered.
• Yongjinglong This titanosaur was recently discovered in China.
• Yueosaurus This basal ornithopod was discovered by construction workers.
• Yulong The smallest oviraptor yet identified.
• Yunnanosaurus One of the last prosauropods to walk the earth.
• Yutyrannus The largest feathered tyrannosaur yet identified.

Z

• Zalmoxes A strange-looking ornithopod from Romania.
• Zanabazar Named after a Buddhist spiritual leader.
• Zapalasaurus This "diplodocoid" sauropod lived in early Cretaceous South America.
• Zby This dinosaur"s name was inversely proportional to its size.
• Zephyrosaurus Otherwise known as the Western Wind Lizard.
• Zhanghenglong A transitional hadrosaur of late Cretaceous Asia.
• Zhejiangosaurus The first identified nodosaur from Asia.
• Zhenyuanlong Also known as the "fluffy feathered poodle from hell."
• Zhongyuansaurus The only known ankylosaur to lack a tail club.
• Zhuchengceratops It probably figured on the lunch menu of Zhuchengtyrannus.
• Zhuchengosaurus This hadrosaur was even bigger than Shantungosaurus.
• Zhuchengtyrannus This Asian tyrannosaur was the size of T. Rex.
• Zuniceratops This horned dinosaur was discovered by an eight-year-old boy.
• Zuolong It was named after General Tso, of Chinese restaurant fame.
• Zupaysaurus This "devil lizard" was one of the earliest theropods.