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ZoomDinosaurs.com
The Mesozoic Era (248 - 65 million years ago) Ages of the Mesozoic Era
Triassic Period
248 - 206 mya
First dinosaurs and mammals
Jurassic Period
206-144 mya
Many dinosaurs and the first birds
Cretaceous Period
144-65 mya
First flowering plants, the height of the dinosaurs. Ends in huge extinction.
Early - Middle
248-227 mya
Late
227-206 mya
Early
(Lias)

206-180 mya
Middle
(Dogger)

180-154 mya
Late
(Malm)

154-144 mya
Early
(Neocomian)

144-127 mya
Middle
(Gallic)

127-89 mya
Late
(Senonian)

89-65 mya

DINOSAURS, ETC. FROM THE LATE CRETACEOUS PERIOD: 99-65 million years ago (mya).

Plant-eating dinosaur are in green; meat-eating dinosaurs are in red
Other animals are in black

Africa
  • Majungasaurus - a large, poorly-known theropod (meat-eater) from Egypt and Madagascar, 83-73 mya.
  • Majungatholus - a large theropod (meat-eater) from Madagascar, 10 ft (3 m) long, 83-73 mya.
  • Masiakasaurus - a 2 m long theropod (meat-eater) from Madagascar
  • Rapetosaurus - a giant titanosaurid sauropod (long-necked plant-eater) from Madagascar - 15 m long



Asia





















Asia





















Asia





















Asia





















Asia
  • Adasaurus- a dromaeosaurid (advanced, bipedal meat-eater) 6 feet (2 m) long, from S.W. Mongolia, 80-73 mya.
  • Alioramus- a theropod (meat-eater) 20 feet (6 m) long from Mongolia, 73-65 mya.
  • Amtosaurus- an ankylosaur (an armored, club-tailed, plant-eater) 25 feet (7.5 m) long from Mongolia, 95-85 mya.
  • Anserimimus ("goose mimic")- an ornithomimid (a bird-like theropod) 10 feet (3 m) long from Mongolia, 75-70 mya.
  • Aralosaurus - a 30 ft (9 m) long duck-billed dinosaur (a hadrosaur) from Kazakhstan, 90-85 mya.
  • Archarornithoides- a tiny, bird-like meat-eater (a theropod) 3 feet (90 cm) long, about 3 pounds (1.5 kg) from Mongolia, 84-80 mya.
  • Arstanosaurus - a duckbilled dinosaur (a hadrosaur) from Kazakhstan, 87.6 - 73 mya.
  • Avimimus ("bird mimic")- a fast, long-legged, bird-like theropod (a bipedal, meat-eater) 5 feet (1.5 m) long from Mongolia, 85-75 mya.
  • Bactrosaurus- a primitive, lambeosaurine duck-bill (a crested, plant-eater) 20 feet (6 m) long from Mongolia, 97-85 mya.
  • Bagaceratops- a small protoceratopsian (a primitive, short-frilled, plant-eater with a short nose horn) 3 feet (1 m) long from Mongolia, 70 mya.
  • Barsboldia- A hadrosaurine (a hollow-crested duck-billed plant-eater) 30 feet (10 m) long from Mongolia, 73-70 mya.
  • Borogovia - a 7 ft (2 m) long theropod (bipedal meat-eater) from Mongolia, 80-70 mya.
  • Byronosaurus, a 5 feet (1.5 m) long meat-eater from Tanzania.
  • Charonosaurus, a pachycephalosaur from China.
  • Citipati - an oviraptorid from Mongolia
  • Conchoraptor - a small oviraptorid (fast, bipedal, toothless meat-eater) 5 feet (1.5 m) long from Mongolia, 80-70 mya.
  • Chiayusaurus - a large sauropod (long-tailed, long-necked plant-eater) from China, 80-70 mya.
  • Chingkankousaurus - a large theropod (bipedal meat-eater) from China, 88.5-65 mya.
  • Cionodon - a horse-sized duck-billed dinosaur (a hadrosaurid) from Alberta, Canada and Russia, 97.5-65 mya.
  • Deinocheirus - a large theropod (bipedal meat-eater) with huge arms, from Mongolia, 75-65 mya.
  • Deltatheridium - An early mammal about 6 inches (15 cm) long - it looked like a modern-day weasel. This insect eater was from Mongolia about 70 million years ago.
  • Elmisaurus - a theropod (bipedal meat-eater) from the Gobi Desert, Mongolia, 80-70 mya.
  • Enigmosaurus - a segnosaur (theropod) from the Mongolia, 97-88 mya.
  • Erlikosaurus - a segnosaur (theropod) 17 ft (5 m) long from Mongolia, 97.5-88.5 mya.
  • GallimimusGallimimus - a beaked Ornithomimid, an omnivore,17 feet (5 m) long from the Gobi Desert, Mongolia, 75-70 mya.
  • Garudimimus - a beaked Ornithomimid, an omnivore,12 feet (3.5 m) long from the Gobi Desert, Mongolia, 97.5-88.5 mya.
  • Gilmoreosaurus - a duckbilled dinosaur (a hadrosaur) from Mongolia, 85 - 80 mya.
  • Goyocephale - a flat-headed pachycephalosaurid (a plant-eater),10 feet (3 m) long from Mongolia, 85-80 mya.
  • Heishansaurus- an ankylosaur (an armored, plant-eater) from China, 97.5-65 mya.
  • Hironosaurus - a large, duckbilled dinosaur (a hadrosaur, a beaked plant-eater) from Japan, 97.5 - 65 mya.
  • Hisanohamasaurus - a diplodocid sauropod (whip-tailed plant-eater) from Japan, 97.5 - 65 mya. Known only from some teeth.
  • Homalocephale - a pachycephalosaur (a thick-skulled plant-eater) 5 ft (1.5 m) long, from Mongolia, 80-70 mya.
  • Hulsanpes - a theropod (bipedal meat-eater) from Mongolia, 77 mya. Known only from one foot.
  • Ingenia - an ovirartorid theropod (bipedal meat-eater) from Mongolia, 80-70 mya.
  • Jaxartosaurus - a large, duckbilled dinosaur (a hadrosaur, a beaked plant-eater) 30 ft (9 m), from Kazakhstan , 91 - 83 mya.
  • Khaan - an oviraptorid from Mongolia.
  • Koreanosaurus - a poorly-known theropod (bipedal meat-eater) from Korea, late Cretaceous. Known from only one leg bone.
  • Maleevosaurus - a relatively small tyrannosaurid (huge, bipedal meat-eaters), from Mongolia, 75-70 mya.
  • Maleevus - an ankylosaurid (armored plant-eaters), 20 ft (5 ) long, from Mongolia, 97.5-88.5 mya.
  • Mandschurosaurus - a duck-billed dinosaur (beaked plant-eater), 27 ft (8 m) long, from Manchuria, China, 70 mya.
  • Megacervixosaurus - a diplodocid sauropod (whip-tailed plant-eater) from China, 97.5 - 65 mya. Known only from some teeth and vertebrae.
  • Microceratops- a tiny ceratopsian (a frilled plant-eater) 30 inches (0.76 m) long, from China, 83-65 mya.
  • Microdontosaurus - a sauropod (large, long-necked plant-eater) from China, 98 - 65 mya. Known only from some tiny teeth.
  • Microhadrosaurus - a small duck-billed dinosaur (beaked plant-eater), 8.75 ft (2.6 m) long, from China, 97.5-65 mya.
  • Micropachycephalosaurus - a small pachycephalosaurid (thick-skulled plant-eater), from China, 83-73 mya. The dinosaur with the longest name.
  • Nanshiungosaurus - a segnosaur (theropod, meat-eater) 13 ft (4 m) long, from Nanshiung, China, 75 mya.
  • Nemegtosaurus - a large diplodocid sauropod (whip-tailed plant-eater) from Mongolia, 75 - 70 mya.
  • Nipponosaurus - a small, duck-billed dinosaur (a hadrosaur) from Sakhalin Island, 88-86 mya.
  • Opisthocoelicaudia - a camarasaurid sauropod (long-tailed, long-necked plant-eater with a box-like head) from Mongolia, 75-70 mya.
  • Oviraptor - a small, omnivorous, toothless, bipedal theropod, from Mongolia, 88-70 mya.
  • Pinacosaurus - an ankylosaurid (armored, tank-like plant-eater) 12 feet (3.5 m) long from Mongolia, China, 85-81 mya.
  • Prenocephale - a pachycephalosaur (a thick-skulled plant-eater) 7 ft (2 m) long, from Mongolia, 77-69 mya.
  • Protoceratops- a primitive ceratopsian (horned, frilled plant-eater), 8 ft (2.5 m) long, from Mongolia, 72 to 65 mya.
  • Quaesitosaurus - a diplodocid sauropod (long-necked, whip-tailed plant-eater) from the Gobi Desert, Mongolia, 85-80 mya.
  • Rajasaurus - an Abelisaur 9 m long from India, Maastrichtian.
  • Saichania - an ankylosaurid (armored, tank-like plant-eater with a tail club and spikes) 24 feet (7 m) long from Mongolia, 79-75 mya.
  • Saurolophus - 72 to 68 million years ago, a duckbill from Alberta, Canada and Mongolia, China.
  • Saurornithoides - a small, fast, intelligent, troodontid theropod (bipedal meat-eater) 6.5 ft (1.9 m) long, from Mongolia, 85-77 mya.
  • Segnosaurus - a theropod (meat-eater) 20 feet (6.5 m) long, from Mongolia, 97.5-88.5 mya.
  • Shanshanosaurus - a small theropod (bipedal meat-eater) 8.5 ft (2.5 m) long, from China, 83-65 mya.
  • Shantungosaurus - a huge duckbill (beaked plant-eater) 51 ft (15 m) long, from China, 83-73 mya.
  • Shuvuuia - a small theropod (bipedal meat-eater) 3 ft (1.9 m) long, from Mongolia, 85-75 mya.
  • Stegosaurides - a poorly-known ornithischian (plant-eater) from NW China, 97.5-65 mya.
  • Talarurus- an ankylosaurid (an armored, club-tailed, plant-eater) 16 feet (5 m) long, from Mongolia, 97.5-88.5 mya.
  • Tanius - a large duckbill (beaked plant-eater) from China, 88.5-65 mya.
  • Tarchia - an ankylosaurid (armored, quadrupedal plant-eater with a tail club) from Mongolia, 78-69 mya.
  • Therizinosaurus - a large, unusual theropod from Mongolia, 77-69 mya.
  • Tochisaurus - a small Troodontid theropod (fast-moving, intelligent, bipedal meat-eater) from Mongolia, 77-69 mya.
  • Turanoceratops- a small ceratopsian (a horned, frilled, plant-eater) from Russia, 97.5-65 mya.
  • Tylocephale- a small pachycephalosaurid (a thick-skulled, dome-headed plant-eater), 7 ft (2.5 m) long, from Mongolia, 80-75 mya.
  • Tyrannosaurus rex - 85-65 million years old. From western North America and China.
  • Velociraptor - (meaning "quick predator") - a theropod (meat-eater) about 6 feet (1.8 m) long, from Mongolia, China, 85-80 million years ago.
  • Wannanosaurus - a small (less than 3ft = 1m long) pachycephalosaurid (thick-skulled plant-eater), from China, 83-73 mya.
  • Zalambdalestes - a primitive placental mammal, about 8 inches (20 cm) long. This insectivore looked like a modern-day elephant shrew, had large eyes, a long, upturned snout, and long feet. Found in Mongolia, Asia.
Australia



Europe












Europe












Europe
During the late Cretaceous, Europe was very wet, consisting of islands and swamps.
  • Betasuchus - a poorly-known theropod (meat-eater) from Holland, 70-65 mya.
  • Bradycneme - a theropod (meat-eater) from Romania, 73-65 mya.
  • Craspedodon - a large iguanodontid (a plant-eater with thumb spikes) from Belgium, 87.5-83 mya.
  • Crataeomus - a poorly-known nodosaurid ankylosaur (armored, quadrupedal plant-eater) from Hungary, 91-88.5 mya.
  • Euronychodon - a small theropod (meat-eater) from Portugal, 75-65 mya.
  • Heptasteornis - a small theropod (meat-eater) from Transylvania, Romania, 73-65 mya.
  • Hypselosaurus - a small titanosaurud sauropod (an armored, long-necked plant-eater) 27 ft (8 m) long, from France and Spain, 73-65 mya. Its huge eggs were also found.
  • Leipsanosaurus - a poorly-known nodosaurid ankylosaur (armored, quadrupedal plant-eater) from Transylvania, Romania, 91-88.5 mya.
  • Magyarosaurus - a large, poorly-known titanosaurud sauropod (armored, long-necked plant-eater) 27 ft (8 m) long, from Hungary and Romania, 70-65 mya.
  • Orthomerus - a small, poorly-known duck-bill (a beaked plant-eater) from Holland, 72-65 mya.
  • Pyroraptor - a deinonychosaur from France
  • Rhabdodon - a solidly-built ornithischian (a plant-eater) from Austria, France, Hungary, and Romania, 83-65 mya.
  • Rhodanosaurus - a nodosaurid ankylosaur (armored, quadrupedal plant-eater) from France, 73-65 mya.
  • Struthiosaurus - a nodosaurid ankylosaur (armored, quadrupedal plant-eater) from Austria and Romania, 83-65 mya.
  • Tarascosaurus - a theropod (meat-eater) from France, 83-80 mya.
  • Taveirosaurus - a small pachycephalosaurid (thick-skulled, bipedal plant-eater) from Portugal, 73-65 mya. A doubtful genus.
  • Telmatosaurus - a duckbill (beaked plant-eater) 16 ft (5 m) long, from France and Romania, 83-65 mya.
  • Thescelosaurus - a hypsilophodontid (fast-moving plant-eater) 12 ft (3.5 m) long, from western North America, 77-65 mya. Its fossilized, 4-chambered heart heas been found.
  • Vectensia - a nodosaurid ankylosaur (armored, quadrupedal plant-eater) from England, 97-65 mya.



India














India
  • Brachypodosaurus - a poorly-known ankylosaur (armored plant-eater) from India, 88-73 mya.
  • Coeluroids - a poorly-known theropod (bipedal meat-eater), from India, 88.5 -83 mya.
  • Compsosuchus - a poorly-known theropod (bipedal meat-eater), from India, 70 -65 mya.
  • Dravidosaurus - a stegosaurid (plated plant-eater), 10 ft (3 m) long, from India, 88.5-87.5 mya.
  • Dryptosauroids - a poorly-known theropod (bipedal meat-eater), from India, 97.5 -65 mya.
  • Indosaurus - a large theropod (bipedal meat-eater), from Jabalpur, India, 70 -65 mya.
  • Indosuchus - a large theropod (bipedal meat-eater), from Jabalpur, India, 70 -65 mya.
  • Jubbulpuria - a poorly-known theropod (bipedal meat-eater) 4 ft (1.2 m) long, from India, 73 -65 mya.
  • Laevisuchus - a theropod (bipedal meat-eater) 7 ft (2.1 m) long, from India, 73 -65 mya.
  • Lametasaurus - a poorly-known ankylosaur (armored plant-eater) from India, 73-65 mya.
  • Ornithomimoides - a theropod (bipedal meat-eater), 7 ft (2.1 m) long, from India, 88.5 -83 mya.
  • Orthogoniosaurus - a poorly-known theropod (bipedal meat-eater), from India, 95 -65 mya. Only a tooth was found.
  • Titanosaurus - a titanosaurid sauropod (long-necked quadrupedal plant-eater), from India, 83-65 mya.



North America


























North America


























North America


























North America


























North America


























North America


























North America
  • Alphadon - a primitive marsupial mammal, about 1 foot (30 cm) long. This omnivore (eating insects, small animals, seeds and fruit) lived in trees, had opposable toes, and a prehensile tail. Found in western North America from Alberta, Canada to New Mexico, USA.
  • Anatotitan - 70-65 million years old, a duck-billed plant-eater. From western North America.
  • Alamosaurus- a 70 feet (21 m) long Titanosaurud (sauropod) from southwestern USA, 73-65 mya.
  • Albertosaurus - A carnivore similar to Tyrannosaurus, but smaller. 76-74 million years old. From western North America.
  • Anchiceratops- a ceratopsian 20 feet (6 m) long from Alberta, Canada, 73-70 mya.
  • Ankylosaurus - The last armor-plated dinosaur (a plant eater), 70-65 million years ago, as big as a tank. From western North America.
  • Archelon - A huge sea turtle covered with horny plates. It was 10-13 feet (3-4 m) long and had paddle-like limbs.
  • Arrhinoceratops- a ceratopsian (a frilled, horned, plant-eater) 20 feet (6 m) long from Alberta, Canada, 72-68 mya.
  • Aublysodon - a 15 ft (4.5 m) theropod (bipedal meat-eater) from western North America, 76-65 mya.
  • Avaceratops- one of the smallest ceratopsians (frilled, horned, plant-eaters), 7 feet (2 m) long from Montana, 77-73 mya.
  • Bambiraptor, a small meat-eater from Montana, USA.
  • Brachyceratops- A ceratopsian (a frilled, small-horned, plant-eater) 6 feet (1.8 m) long from Montana, 80-70 mya. 5 fossils were found together.
  • Brachylophosaurus - a duck-billed dinosaur (a hadrosaur) 23 ft (7 m) long from Alberta, Canada and Montana, USA, 75 mya.
  • Caenagnathus - a 7 ft (2 m) theropod (bipedal meat-eater) from western North America, 75 mya.
  • Centrosaurus - a 6 m long ceratopsian from about 85 million years ago, from Canada.
  • Ceratops - a 25 ft (7.5 m) long ceratopsian (horned plant-eater) from 80-73 mya, from Montana, USA.
  • Chasmosaurus - 17 feet (5.8 m) long Ceratopsian (horned, frilled plant-eater) from Alberta, Canada and Texas, USA, 80-65 mya.
  • Chirostenotes - a 6.5 ft (2 m) long theropod (lightly-built, bipedal meat-eater) from Alberta, Canada, 76-73 mya.
  • Cionodon - a horse-sized duck-billed dinosaur (a hadrosaurid, a plant-eater) from Alberta, Canada and Russia, 97.5-65 mya.
  • Claorhynchus - a poorly-known ceratopsian (horned, frilled, plant-eater) from 83-73 mya, from Montana, USA.
  • Claosaurus - a 12 ft (3.5 m) duck-billed dinosaur (a hadrosaurid, a plant-eater) from Kansas, USA, 80-75 mya.
  • Corythosaurus - A late Cretaceous duck-billed dinosaur (plant-eater) with a hollow, helmet-shaped crest. From Alberta, Canada, 76-72 million years ago.
  • Daspletosaurus - a 30 ft (10 m) tyrannosaurid theropod (large, bipedal meat-eater) from Alberta, Canada, 76-72 mya.
  • Deinodon - the first tyrannosaurid named, a large theropod (bipedal meat-eater) from Montana, USA, 75-70 mya.
  • Diceratops - a 30 ft (9 m) long ceratopsian (horned, frilled plant-eater) from Wyoming, USA, 68-65 mya.
  • Diclonius - a 27 ft (8 m) duck-billed dinosaur (a hadrosaurid, a plant-eater) from Montana, USA, 83-73 mya.
  • Diplotomodon - a large theropod (a bipedal meat eater). From New Jersey, USA, 97.5-65 mya.
  • Dromaeosaurus - large-brained theropod (fast, advanced, bipedal meat-eater) 6 feet (1.8 m) long, 76-72 million years old. From Alberta, Canada.
  • Dromiceiomimus - ornithomimid theropod (fast, bipedal meat-eater) 12 feet (3.5 m) long, 76-72 million years old. From Alberta, Canada.
  • Dryptosaurus - A theropod (bipedal meat-eater) 20 feet (6 m) long. 70-65 million years ago ). From eastern North America.
  • Dysganus - a poorly-known ceratopsian (horned, frilled, plant-eater) from 83-73 mya, from Montana, USA.
  • Dyslocosaurus - a small, diplodocid sauropod (long-necked plant-eater), 65 ft (20 m) long, from 68-65 mya, from Wyoming, USA.
  • Edmontonia - a plated, nodosaurid ankylosaurid (armored plant-eater) 23 ft (7 m) long. From western North America, 76-68 mya.
  • EdmontosaurusEdmontosaurus- a large, late-Cretaceous duck-bill (about 73 to 65 million years ago), 40 ft (12m) long. From western North America.
  • Einiosaurus - a ceratopsian (plant-eater) from Montana, USA, 93-89 mya.
  • Eoceratops- a ceratopsian (a frilled, small-horned, plant-eater) 13 feet (4 m) long from Alberta, Canada, 75-72 mya.
  • Eucentrosaurus - a 17 ft (5 m) long ceratopsian (horned plant-eater) from 76-72 mya, from Montana, USA and Alberta, Canada.
  • Euoplocephalus - a 20-foot long armored, plant-eating dinosaur (an ankylosaur) with a tail club. From Alberta, Canada, 76-70 mya.
  • Gorgosaurus - a 26-30 feet (8-9 m) long tyrannosaurid from Alberta, Canada. 76 to 68 mya.
  • Gravitholus - a pachycephalosaurid (a thick-skulled plant-eater) from Alberta, Canada, 75 mya.
  • Gryposaurus - a duck-billed dinosaur (a plant-eater) 25 m (7 m) long from Alberta, Canada, 75 mya.
  • Hadrosaurus - a duck-billed dinosaur (a plant-eater) 25 m (7 m) long from Haddonfield, NJ, USA, 76-73 mya.
  • Hesperornis - a diving bird 3 ft (1 m) long that lived near the coast.
  • Hypacrosaurus - a 30 ft (9 m) duck-billed dinosaur (a hadrosaurid, a plant-eater) from Alberta, Canada and Montana, USA, 72-70 mya.
  • Hypsibema - a duck-billed dinosaur (a hadrosaurid, a plant-eater) from North Carolina, USA, 83-73 mya. Known from only 5 bones.
  • Ichthyornis - a fish-eating bird that was a powerful flyer. It was 8 inches (20 cm) long and lived near the coast.
  • Kritosaurus - a duck-billed dinosaur (a hadrosaur) 30 ft (9 m) long, from New Mexico, USA, 76-65 mya.
  • LambeosaurusLambeosaurus - a duck-billed dinosaur (a hadrosaur) 30 ft (9 m) long, from the western USA and Mexico, 83-65 mya.
  • Leptoceratops- a ceratopsian (a frilled, horned, plant-eater) 5 feet (1.8 m) long from Wyoming, USA, and Alberta, Canasa, 72-68 mya.
  • Lophorhothon - a flat-headed, duck-billed dinosaur (a hadrosaur) 15 ft (4.5 m) long, from Alabama, USA, 83-73 mya.
  • Maiasaura - A herding, duck-billed dinosaur (beaked plant-eater), 30 ft (9 m) long, from Montana, USA, 80-65 mya.
  • MonocloniusMonoclonius - A large ceratopsian (horned, frilled plant-eater), 17 ft, (5 m) long, from Alberta, CA and Montana, USA, 76-73 mya.
  • Montanoceratops - a primitive, ceratopsian (horned, frilled plant-eater), 6 ft (1.8 m). From Montana, 73-70 mya.
  • Nanotyrannus - the smallest tyrannosaurid (bipedal meat-eaters) from Montana, USA, 68-65 mya.
  • Nedcolbertia - a small theropod (bipedal plant-eaters) from Utah, USA, 127 to 121 mya.
  • Nothronychus - a therizinosaur from New Mexico, USA, 94-90 mya
  • Ornatotholus - a small pachycephalosaurid (a thick-skulled plant-eater) 6.5 ft (2.5 m) long, from Alberta, Canada, 75 mya.
  • Ornithomimus - an ostrich-like theropod (bipedal meat-eater) from the late Cretaceous, 76-65 million years ago. From western North America.
  • Ornithotarsus - a large duckbill (beaked plant-eater), from New Jesey, USA, 83-73 mya.
  • Orodromeus - a small hypsilophodontid (a fast-moving, bipedal plant eater, an ornithopod) from Montana, USA, 77-73 mya. Eggs and embryos were also found.
  • Pachycephalosaurus - thick-skulled, bipedal plant-eater, 15 ft (4.5 m) long, from the western USA, 76-65 mya.
  • Pachyrhhinosaurus - a ceratopsian (a frilled, horned, plant-eater) 7 feet (23 m) long, from Alaska, USA, and Alberta, Canada, 72-68 mya.
  • Palaeoscincus- a nodosaurid ankylosaur (an armored, plant-eater) 18 feet (5.5 m) long, from Montana, USA, 83-73 mya.
  • Panoplosaurus- a nodosaurid ankylosaur (an armored, plant-eater) 18 feet (5.5 m) long, from Alberta, Canada and Montana, USA, 76-73 mya.
  • Parasaurolophus - a duck-billed dinosaur (beaked plant-eater), 30 ft (9 m) long, from western North America, 76-65 mya.
  • Parksosaurus- a hypsilophodontid (a fast-moving plant-eater with canine teeth) 7 feet (2 m) long, from Alberta, Canada and Montana, USA, 68-65 mya.
  • Pentaceratops - a ceratopsian (a frilled, horned, plant-eater) 28 feet (8 m) long, from New Mexico, USA, 75-65 mya.
  • Prosaurolophus - a duck-billed dinosaur (a hadrosaur) 26 ft (8 m) long from Alberta, Canada, 77-73 mya.
  • Pteranodon - a flying reptile, not a dinosaur, 9 ft (2.8 m) long, weighing 37 pounds (17 kg).
  • Purgatorius - the earliest-known primate (a type of mammal), about 4 inches (10 cm) long. Known from a single fossilized tooth found in Montana, USA. From the late Cretaceous to the early Paleocene.
  • Quetzalcoatlus - a carrion-eating flying reptile, not a dinosaur, 13 ft (4 m) long, weighing 190 pounds (86 kg).
  • Ricardoestesia - a 2 m long meat-eating dinosaur known from only its teeth.
  • Saurolophus - a duckbill (beaked plant-eater) 32 ft (8.7 m) long, from Alberta, Canada and Mongolia, China, 72 to 68 mya.
  • Saurornithoides - a small, fast theropod (bipedal meat-eater) 6 ft (1.8 m) long, from Alberta, Canada, 76-73 mya.
  • StyracosaurusStyracosaurus - A ceratopsian from the late Cretaceous, 77-73 million years ago. From western North America.
  • Stegoceras - a pachycephalosaurid (thick-skulled, bipedal plant-eater) 7 ft (2 m) long, from Alberta, Canada and Montana, USA, 76-65 mya.
  • Struthiomimus - an ornithomimid theropod (ostrich-like, bipedal meat-eater) 13 ft (4 m) long, from Alberta, Canada, 76-70 mya.
  • Stygimoloch - a horned pachycephalosaurid (a thick-skulled, bipedal plant-eater) from Montana, USA, 68-65 mya.
  • Styracosaurus - a ceratopsian (horned, frilled plant-eater) 18 ft (5.25 m) long, from Alberta, Canada and Montana, USA, 77-73 mya.
  • Torosaurus - a ceratopsian (a horned, frilled plant-eater) 21 ft (6.2 m) long, from Alberta, Canada, 70-65 mya.
  • Trachodon - an ornithischian (a poorly-known plant-eater) 21 ft (6.2 m) long, from Montana, USA, 77-73 mya. Trachodon is probably the same as Edmontosaurus.
  • Triceratops - "three-horned face" - 68-65 million years old, up to 30 feet long, a plant-eater. From western North America.
  • Troodon - a large-brained theropod (bipedal meat-eater), 76-70 million years old. From western North America.
  • Tyrannosaurus rex - Huge meat-eater from western North America and China, 85-65 mya.
  • Ugrosaurus - a large ceratopsian (horned, frilled, plant-eater) from Montana, 68 - 65 mya.
  • Zapsalis - a meat-eater from Montana



South America















South America
















South America
  • Abelisaurus - a theropod (a bipedal meat-eater) 26 feet (7.9 m) long. Known from an incomplete skull from Patagonia, Argentina, 70 mya.
  • Aeolosaurus- a titanosaurid sauropod (long-necked plant-eater with armor) 50 feet (15 m) long from Argentina, 75-70 mya.
  • Alvarezsaurus- a long-tailed theropod (meat-eater) 6 feet (2 m) long from Argentina, 80 mya.
  • Antarctosaurus- one of the largest dinosaurs, found in 1916- a titanosaurid sauropod (long-necked plant-eater with armor), 100 feet (30 m) long, from Argentina, Chile and Uruguay, 83-65 mya.
  • Araucanoraptor- a coelurosaur theropod (meat-eater) 8 feet (2.5 m) long from Argentina, roughly 90 mya.
  • Argentinosaurus, a huge sauropod 130+ feet (40 m) long long from Argentina, this may be the largest dinosaur.
  • Argyrosaurus - a 70 ft (21 m) long sauropod (a long-necked plant-eater) from Argentina and Uruguay, 73-65 mya.
  • Campylodoniscus- a large sauropod (long-necked plant-eater) from Argentina, 97-85 mya.
  • Clasmosaurus - a large sauropod (a long-necked plant-eater) from Argentina, 95 mya.
  • Epachthosaurus - a sauropod (a long-necked plant-eater) from Argentina, 87.5 mya. Known from only one vertebra.
  • Gasparinisaura - a 31 inches (80 cm) long iguanodontid from Patagonia, 90 to 83 mya.
  • Genyodectes - a poorly-known theropod (bipedal meat-eater) from Argentina.
  • Laplatasaurus- a titanosaurid sauropod (long-necked plant-eater) 60 feet (18 m) long from Argentina, 83-65 mya.
  • Microsaurops- a relatively small titanosaurid sauropod (long-necked plant-eater with armor), from Argentina, 97.5-65 mya.
  • Neuquensaurus- a large, titanosaurid sauropod (long-necked plant-eater with armor), from Argentina, 97.5-65 mya.
  • Noasaurus - a small theropod (bipedal meat-eater) 6 ft (1.8 m) long, from Argentina, 75 -65 mya. It had a huge claw on each foot.
  • Notoceratops - a ceratopsian (horned plant-eater) from Patagonia, Argentina, 83-73 mya.
  • Quilmesaurus - a theropod from Patagonia
  • Saltasaurus- a titanosaurid sauropod (long-necked plant-eater with armor) 40 feet (12 m) long from Argentina, 83-79 mya.
  • Secernosaurus - a duck-billed dinosaur (a hadrosaur, a beaked plant-eater) 10 ft (3 m) long from Argentina, 73-65 mya.
  • Unquillosaurus - a theropod (bipedal meat-eater) 36 ft (11 m) long, from Argentina, 83 -73 mya.
  • Velocisaurus - a small, fast theropod (meat-eater) from Argentina, 73-65 mya.
  • Xenotarsosaurus - a mid-sized theropod (meat-eater) from Argentina, 83-73 mya. Known from leg bones only.

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ZoomDinosaurs.com
The Mesozoic Era (248 - 65 million years ago) Ages of the Mesozoic Era
Triassic Period
248 - 206 mya
First dinosaurs and mammals
Jurassic Period
206-144 mya
Many dinosaurs and the first birds
Cretaceous Period
144-65 mya
First flowering plants, the height of the dinosaurs. Ends in huge extinction.
Early - Middle
248-227 mya
Late
227-206 mya
Early
(Lias)

206-180 mya
Middle
(Dogger)

180-154 mya
Late
(Malm)

154-144 mya
Early
(Neocomian)

144-127 mya
Middle
(Gallic)

127-89 mya
Late
(Senonian)

89-65 mya



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