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.
D
Dacentrurus The first stegosaur ever to be described.
Dallasaurus Guess which city this mosasaur was named after?
Darwinopterus An important "missing link" in pterosaur evolution.
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.
Drinker Named after the famous paleontologist Edward Drinker Cope.
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.
Dsungaripterus A typical pterosaur of the early Cretaceous.
Dubreuillosaurus This megalosaur had a long, low snout.
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.
Efraasia This Triassic herbivore may have been ancestral to sauropods.
Einiosaurus This ceratopsian was a close relative of Centrosaurus.
Elaphrosaurus A lightweight theropod from the late Jurassic.
Elasmosaurus From head to tail, the longest plesiosaur that ever lived.
Enigmosaurus This "puzzle lizard" was closely related to Therizinosaurus.
Eocursor This late Triassic reptile was one of the earliest true dinosaurs.
Eonatator This "dawn swimmer" was one of the first mosasaurs.
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.
Epidendrosaurus Did this tiny dino-bird spend its life up a tree?
Erlikosaurus This late therizinosaur roamed the Mongolian forests.
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.
Euskelosaurus The first dinosaur ever to be discovered in Africa.
Eustreptospondylus A close cousin of Megalosaurus.
Excalibosaurus This ichthyosaur was named after King Arthur’s sword.
F
Falcarius A bizarre, feathered theropod from North America.
Fukuiraptor One of the few carnivorous dinosaurs ever to be dug up in Japan.
Futalognkosaurus It sounds like a hot dog, but it was one of the biggest dinosaurs that ever lived.
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.
Geosaurus This aquatic reptile may have spent its entire life in the sea.
Germanodactylus This flying reptile was once thought to be a species of Pterodactylus.
Giganotosaurus Not quite a "Gigantosaurus," but close enough.
Gigantoraptor This huge oviraptor weighed over two tons.
Gigantspinosaurus This impressively named beast may or may not have been a true stegosaur.
Globidens A sleek mosasaur with unusually round teeth.
Gojirasaurus This early predator was named after Godzilla.
Gondwanatitan Yet another titanosaur from South America.
Gorgonops This "gorgon-faced" reptile preyed on its fellow therapsids.
Gorgosaurus Might this tyrannosaur have been a species of Albertosaurus?
Goyocephale A primitive bonehead from Asia.
Gracilisuchus One of the most dinosaur-like of all the Triassic crocodiles.
Grippia The best specimen of this ichthyosaur was destroyed in World War II.
Gryposaurus One of the most common of the duck-billed dinosaurs.
Guanlong Probably the first tyrannosaur ever to walk the earth.
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