A complete, alphabetical list of of every dinosaur that ever lived, including herbivorous and carnivorous dinosaurs, avian and aquatic reptiles, and the primitive reptiles that preceded (and lived alongside) the dinosaurs.
H
Hadrosaurus The official state dinosaur of New Jersey.
Hainosaurus One of the biggest mosasaurs that ever lived.
Halisaurus One of the first mosasaurs.
Haplocanthosaurus A typical sauropod of the late Jurassic.
Harpymimus Named after the winged creature of Greek myth.
Henodus This Triassic placodont looked remarkably like a modern turtle.
Herrerasaurus This carnivore roamed present-day South America.
Hesperornis A flightless bird of the late Cretaceous.
Hesperosaurus The oldest stegosaur discovered in North America.
Heterodontosaurus This "different-toothed" dinosaur was a dentist's nightmare.
Heyuannia Yet another close relative of Oviraptor.
Homalocephale This herbivore had a very flat--and very thick--skull.
Huaxiagnathus One of the biggest dino-birds of its time.
Huayangosaurus Could this have been the ancestor of all the stegosaurs?
Hydrotherosaurus This "fisherman lizard" roamed the coasts of California.
Hylonomus Could this have been the first-ever reptile?
Hypacrosaurus We know a lot about this dinosaur's family life.
Hypselosaurus This titanosaur's eggs were a foot in diameter.
Hypsilophodon This man-sized herbivore liked to eat and run.
I
Ichthyornis This "fish bird" had a set of very reptilian teeth.
Ichthyosaurus A remarkably fish-like lizard of the Jurassic era.
Iguanodon The second dinosaur in history ever to receive a name.
Incisivosaurus This buck-toothed dinosaur was the Cretaceous equivalent of a beaver.
Ingenia A small, birdlike dinosaur from central Asia.
Irritator This spinosaur was named by a very frustrated paleontologist.
Isisaurus Otherwise known as the Indian Statistical Institute Lizard.
Istiodactylus This pterosaur flew the skies of Cretaceous England.
J
Jeholopterus This fanged pterosaur looked like a flying vampire.
Jinfengopteryx This feathered dinosaur was once thought to be a true bird.
Juravenator Why didn't this presumed "dino-bird" have feathers?
K
Keichousaurus One of the oldest, and smallest, of all marine reptiles.
Kentrosaurus A smaller, African cousin of Stegosaurus.
Khaan Few small mammals dared face the wrath of this dinosaur.
Kotasaurus One of the few sauropods to be discovered in present-day India.
Kronosaurus Makes a great white shark seem like a guppy in comparison.
L
Lagosuchus Could this have been the ancestor of all the dinosaurs?
Lambeosaurus This herbivore had a hatchet-shaped crest on its noggin.
Lanzhousaurus This herbivore's teeth were half a foot long.
Lariosaurus A primitive aquatic reptile of the Triassic era.
Leaellynosaura The only dinosaur ever to be named after a little girl.
Leptoceratops One of the most primitive of all ceratopsians.
Leptocleidus This pliosaur spent most of its time in shallow ponds.
Lexovisaurus One of the oldest European stegosaurs.
Liliensternus One of the largest carnivores of the Triassic period.
Limusaurus Was this toothless theropod a vegetarian?
Liopleurodon With Cryptoclidus, one of the biggest of all marine reptiles.
Lufengosaurus A common sight at Chinese natural history museums.
Lurdusaurus This ornithopod resembled a giant sloth.
Lystrosaurus This pig-like reptile preceded the dinosaurs.
M
Macroplata This aquatic reptile looked like a cross between a plesiosaur and a pliosaur.
Magnosaurus Once thought to be a species of Megalosaurus.
Maiasaura This "good mother lizard" kept close tabs on her young.
Majungatholus Fairly--or unfairly--known as the "cannibal dinosaur."
Mamenchisaurus The longest-necked dinosaur that ever lived.
Mantellisaurus Named after the famous fossil hunter Gideon Mantell.
Marshosaurus Named after the famous paleontologist Othniel C. Marsh.
Massospondylus This small, lithe, bipedal plant-eater roamed the plains of South Africa.
Mauisaurus One of the few plesiosaurs to be discovered in New Zealand.
Megalneusaurus This pliosaur rivaled Liopleurodon in size.
Megalosaurus The first dinosaur ever to be discovered and named.
Megapnosaurus Its name is Greek for "big dead lizard."
Mei The current record-holder for "shortest dinosaur name."
Melanorosaurus Probably the largest prosauropod that ever lived.
Metriorhynchus One of the most common crocodiles of the Jurassic period.
Micropachycephalosaurus The current record-holder for longest dinosaur name.
Microraptor This tiny proto-bird had four wings rather than two.
Minmi An early (and very dumb) ankylosaur from Australia.
Miragaia This stegosaur had an unusually long neck.
Mixosaurus This "mixed lizard" may be the the missing link of ichthyosaurs.
Monkonosaurus The first dinosaur ever to be discovered in modern-day Tibet.
Monolophosaurus This Jurassic predator had a single crest on its skull.
Mononykus This dinosaur may have dug into termite mounds for its lunch.
Mosasaurus The first giant aquatic reptile ever to receive a name.
Moschops One of the largest therapsids before the rise of the dinosaurs.
Muttaburrasaurus The most complete dinosaur fossil ever found in Australia.
Mymoorapelta Named after the Mygand-Moore quarry in Colorado.
Mystriosuchus This Triassic archosaur looked a lot like a modern gharial.
N
Nanotyrannus Could this have been a juvenile T. Rex?
Nanshiungosurus A bizarre therizinosaur from Asia.
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.
Nemicolopterus This tiny pterosaur was recently discovered in China.
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.
Nothosaurus A slim, fast swimmer with lots of teeth.
Nothronychus The first therizonosaur to be found outside Asia.
Nqwebasaurus One of the few theropods to be discovered in sub-Saharan Africa.
Nyctosaurus This pterosaur came equipped with its own mast and sail.
Next Page: Dinosaurs O to S
