LIFE OF THE MESOZOIC ERA

Dinosaurs Of The Late Triassic Period

Africa

• Aliwalia - A poorly-known early dinosaur 25 ft (8 m) long from South Africa.

• Azendohsaurus - Perhaps a prosauropod, 6 ft (1.8 m) long, from Morocco.

• Blikanasaurus - A prosauropod (early quadrupedal plant-eater) from South Africa, 225-218 mya.

• Euparkeria*- An archosauriform (a pre-dinosaurian reptile) from southern Africa).

• Euskelosaurus - A plateosaurid prosauropod (early quadrupedal plant-eater) 30 ft (9 m) long, from South Africa and Zimbabwe, 220-215 mya.

• Fabrosaurus - A primitive ornithischian (plant eater), 3 feet long. From the late triassic and early Jurassic, about 208-194 mya. From South Africa.

• Lesothosaurus - "Lizard from Lesotho, South Africa," a 3-foot long, bipedal plant-eater. A very primitive ornithopod from the late Triassic and early Jurassic, 208-200 mya. From South Africa.

• Likhoelesaurus - A poorly-known theropod (bipedal meat-eater) from South Africa, 225-208 mya.

• Massospondylus - Possibly the first herbivorous dinosaur. A prosauropod (Long-necked and lightly-built), 20 feet (6 m) long, from South Africa and Arizona, USA, 208-194 mya.

• Mastodontosaurus - The largest labyrinthodont, 10.5 ft (3.2 m) long with sprawling legs. A fish-eater that lived near swamps and lakes. Fossils found in North Africa and Europe.

• Melanorosaurus - A melanorosaurid prosauropod (Long-necked, quadrupedal plant-eater), 40 feet (12 m) long, from South Africa, 228-219 mya.

• Megazostrodon - One of the earliest-known mammals, about 5 inches (12 cm) long. This insect-eater looked like a modern-day shrew. Found in Lesotho, South Africa.

• Plesiosaurus - A marine reptile (a plesiosaur not a dinosaur) 10-13 ft (3-4 m) long. It had a long neck, flippers, sharp teeth, and a short tail. Late Triassic to Jurassic. Europe, North Africa, and Asia.

• Roccosaurus - A large sauropod (plant-eater) from Africa, 225-208 mya.

Asia

• Proganochelys - The earliest-known turtle, 2 ft (60 cm) long. From Germany and Thailand.

Europe

• Camelotia - A large prosauropod (plant-eater) from England, 219-213 mya.

• Coelurosaurichnus - A meat-eater known only from footprints

• Dolichosuchus - A poorly-known theropod (bipedal meat-eater) from Germany, 223-221 mya.

• Gerrothorax - A larval-like amphibian about 3 ft (1 m) long. It looked like a large tadpole with a short, wide head, two small, close-set eyes, small, webbed, four-fingered limbs, and a small tail.

• Halticosaurus - A theropod (bipedal meat-eater) 18 ft (5.5 m) long, from Germany, 222 mya.

• Liliensternus - A theropod (bipedal meat-eater) 16 ft (5 m) long, from Germany, 222-219 mya.

• Haramayi - A very early mammal, about 5 inches (12 cm) long. This plant-eater is only known from a few teeth. Found in England and Germany.

• Pachysauriscus - A medium-sized plateosaurid prosauropod (an early, long-necked quadrupedal plant-eater) from Germany, 225-208 mya.

• Palaeosauriscus - A small plateosaurid prosauropod (an early, long-necked quadrupedal plant-eater) from England, 225-208 mya.

• Plateochelys - A placodont (not a dinosaur) 6.5 ft (2 m) long. This water-dweller had a beak, a long, finned tail, webbed fingers, and flat teeth for crushing shellfish.

• Plateosaurus - The largest dinosaur in the Triassic, a long-necked, quadrupedal herbivore (a plateosaurid sauropod), 27 feet (8 m) long. Very common in Germany, France, and Switzerland, 222-219 mya.

• Procompsognathus - A small, lightly-built, fast-moving theropod (bipedal meat-eater) 3 ft (90 cm) long, from Württemberg, Germany, 222-219 mya.

• Proganochelys - The earliest-known turtle, 2 ft (60 cm) long. From Germany and Thailand.

• Ruehleia - A plateosaurid prosauropod from the late Triassic period.

• Saltopus - This theropod (bipedal meat-eater) was the size and weight of a small cat. From Scotland, 225-222 mya.

• Saltoposuchus - a lightly-built, bipedal reptile (a Crocodylomorph and not a dinosaur) 3 ft 9 inches (1.15 m) long. This meat-eater had sharp, pointed teeth and two rows of armored plates on its back. Long back legs, short front legs, and a long tail. 210 million years ago, from Europe, North America.

• Sellosaurus - A plateosaurid prosauropod (an early, long-necked quadrupedal plant-eater) 20 ft (6 m) long, from Germany, 219-208 mya.

• Thecodontosaurus - A prosauropod (early quadrupedal plant-eater) from England, 225 mya.

• Velocipes - A fast-running theropod (meat-eater) from Germany, 228-223 mya. Known only from part of a leg bone.

India

• Walkeria - A small theropod (bipedal meat-eater) from India 231-225 mya.

North America

• Anchisaurus - A primitive plant-eater about 7-10 feet long, 200-188 mya. From eastern North America.

• Arctosaurus- A theropod 10 feet (3 m) long from the arctic in North America, 231-208 mya.

• Ceratosaurus - A "horned lizard". This early (225 million years old) theropod had bird-like features and was a meat eater, fast moving, and was up to 20 feet long. From Colorado.

• Coelophysis - A herding theropod from the late Triassic, about 220-225 mya. It was a bipedal meat-eater and a cannibal. About 9 ft (3 m) long, it was light, fast, and agile. From western USA.

• Dilophosaurus - A double-crested theropod from the late Triassic and early Jurassic, 208-194 mya. From Arizona.

• Massospondylus - 208-204 million years old - Possibly the first herbivorous dinosaur. Long-necked, 20 feet (6 M) long, from South Africa and Arizona, USA.

• Protosuchus - One of the earliest crocodiles, 4 ft (1.25 m) long. Late-Triassic to early Jurassic, from Arizona, USA.

• Revueltosaurus - A poorly-known ornithischian (plant-eater) from New Mexico, USA, 225-219 mya. Known from one tooth.

• Rioarribasaurus - A theropod ( a bipedal meat-eater) and a cannibal. About 9 ft (3 m) long, it was light, fast, and agile. From western USA, 220-225 mya. May be the same as Coelophysis.

• Saltoposuchus - A lightly-built, bipedal reptile (a Crocodylomorph and not a dinosaur) 3 ft 9 inches (1.15 m) long. This meat-eater had sharp, pointed teeth and two rows of armored plates on its back. Long back legs, short front legs, and a long tail. 210 million years ago, from Europe, North America.

• Zatomus - A little-known large rauisuchians (meat-eating reptile) from North Carolina, USA, 225-208 mya.

South America

• Coloradisaurus - A 13 ft (4 m) long prosauropod (primitive plant-eater) from Argentina, 225-219 mya.

• Eoraptor - The earliest known dinosaur, a primitive theropod (a bipedal meat-eater) about 3 feet (1 m) long. It lived about 228 million years ago. From Argentina.

• Frenguellisaurus - A medium-sized theropod (meat-eater) from Argentina, 231-225 mya.

• Herrerasaurus - Herrerasaurus is one of the earliest known dinosaurs. It was a bipedal meat-eater, 10 to 20 feet long, weighed about 400 pounds, and hunted in groups about 228 mya. From Argentina.

• Ischisaurus - A herrerasaurid (very early meat-eater) from Argentina, 225 mya.

• Mussaurus - A tiny plateosaurid prosauropod (primitive plant-eater) from Argentina, 215 mya.

• Pisanosaurus - A small ornithischian (plant-eater) from Argentina, 231-225 mya.

• Riojasaurus - A prosauropod from the late Triassic and early Jurassic, a heavily-built plant-eater 36 feet (11 m) long from Argentina, 225-219 mya.

• Staurikosaurus - The "Southern Cross lizard," a bipedal carnivore the size and weight of a human adult (2 m long). From Brazil and Argentina, 231-225 million years old.

Dinosaurs Of The Early Jurassic Period

Africa

• Abrictosaurus- An ornithopod (plant-eater) from southern Africa, 208-200 mya. A Heterodontosaurid with no canine teeth, 3 feet (1 m) long.

• Fabrosaurus - A 3 ft (1 m) long ornithischian (plant-eater), from 208-194 mya in Lesotho, South Africa.

• Geranosaurus - A heterodontosaurid ornithischian (bipedal herbivore) with long, sharp canine teeth, from South Africa, 208-194 mya.

• Heterodontosaurus - "Different-tooth-lizard", a hetodontosaurid ornithischian (a plant-eater), 208-200 million years old. From South Africa.

• Lanasaurus - A small ornithopod (plant-eater), from South Africa, 208-200 mya.

• Lesothosaurus - "Lizard from Lesotho, South Africa," a 3-foot long, bipedal plant-eater. A very primitive ornithopod from the late Triassic and early Jurassic, 208-200 million years ago.

• Lycorhinus ("wolf snout") - A small heterodontosaurid ornithischian (bipedal herbivore) with long, sharp canine teeth, from South Africa, 208-200 mya.

• Massospondylus - A prosauropod (early, 5-fingered, lightly-built plant eater), 20 ft (6 m) long, from South Africa and Arizona, USA, 208-194 mya.

• Syntarsus - A lightly-built theropod (a bipedal meat-eater) 10 ft (3 m) long, from Zimbabwe, Africa and Arizona, USA, 208-194 mya.

• Vulcanodon - A large sauropod (plant eater), 20 ft (6.5 m) long, from Zimbabwe, 208-201 mya.

Antartica

• Cryolophosaurus - A theropod (meat-eating dinosaur) 20 ft (6 m) long from Antarctica, 196-190 mya.

Asia

• Bellusaurus - A 16 ft (5 m) long sauropod (long-necked plant-eater) from China, 188 mya.

• Dachongosaurus - A poorly-known sauropodomorph (early plant-eater) from China, 208-145 mya.

• Dianchungosaurus - A small, poorly-known heterodontosaurid (plant-eater) from China, 208-188 mya.

• Kunmingosaurus - A large, poorly-known sauropodomorph (early plant-eater) from Yunnan Province, China, 208-170 mya.

• Lufengosaurus - A small plateosaurid prosauropod (long-necked, samll headed, quadrupedal herbivores) with widely spaced teeth, from China, 208-200 mya.

• Lukousaurus - A small, poorly-known theropod (bipedal meat-eater)6.5 ft (2 m) long, from China, 200-194 mya.

• Ngxisaurus - A small, poorly-known, theropod (bipedal meat-eater) from China, 200-145 mya.

• Oshanosaurus - A small, poorly-known heterodontosaurid (plant-eater with canine teeth) from China, 208-180 mya.

• Sinocoelurus - A small, poorly-known, theropod (bipedal meat-eater) from China, 208-180 mya. Known from four teeth. A doubtful genus.

• Sinosaurus - A poorly-known, theropod (bipedal meat-eater) 8 ft (2.4 m) long, from China, 208-180 mya. A doubtful genus.

• Tatisaurus - A small, poorly-known ornithischian (plant-eater with simple teeth) from China, 208-188 mya. A doubtful genus.

• Yunnanosaurus - A large prosauropod (early plant-eater) from China, 208-184 mya.

• Zizhongosaurus - A plant-eater from China, a primitive sauropod (a vulcanodontid small) 30 ft (9 m) long, 208-088 mya.

Australia

• Rhoetosaurus - A cetiosaurid sauropod (long-necked plant-eater) 40 ft (11.5 m) long, from Queensland Australia, 181-175 mya.

Europe

• Emausaurus - A small, thyreophoran ornithischian (armored, quadrupedal, plant-eater) from Northern Germany, 194-188 mya.

• Lusitanosaurus - A poorly-known thyreophoran ornithischian (armored, quadrupedal, plant-eater) from Portugal, 200-194 mya.

• Megalosaurus - A large theropod from the early Jurassic to the early Cretaceous, 181-169 million years ago. From Europe.

• Ohmdenosaurus - An early, poorly-known sauropod (a long-necked, long-tailed plant-eater) 13 feet (4 m) long from Germany, 191 mya.

• Sarcosaurus - An early, poorly-known theropod (a bipedal meat-eater) 12 feet (3.5 m) long from England, 206-200 mya.

• Scelidosaurus - A small, scelidosaurid ornithischian (armored, quadrupedal, plant-eater) from England, 208-200 mya. One of the first dinosaurs named (by Owen).

India

• Barapasaurus - An early sauropod (a long-necked, long-tailed plant-eater) 60 feet (20 m) long from India, 208-188 mya.

• Dandakosaurus - A large theropod (bipedal meat-eater) from Andrah Pradesh, India, 213-188 mya.

• Kotasaurus - A large sauropod (a long-necked, long-tailed plant-eater) from India, 208-188 mya.

North America

• Ammosaurus - A plateosaurid (a prosauropod, a plant-eater) 15 feet (4 m) long from USA, 198-187 mya.

• Anchisaurus - A primitive prosauropod 8 feet (3 m) long from Massachusetts, Connecticut, and Nova Scotia 200-188 mya.

• Dilophosaurus - "Double-crested lizard," a 20-foot long, bipedal carnivore. A primitive theropod from the late Triassic to the early Jurassic, 208-194 million years ago. From Arizona, USA.

• Massospondylus - A prosauropod (early, 5-fingered, lightly-built plant eater), 20 ft (6 m) long, from South Africa and Arizona, USA, 208-194 mya.

• Podokesaurus - A poorly-known, lightly-built theropod (bipedal meat-eater) 3 feet (1 m) long, from Massachusetts, USA, 200-188 mya.

• Segisaurus - A tiny theropod (bipedal meat-eater) 3 feet (1 m) long, from Arizona, USA, 206-200 mya.

• Scutellosaurus - An small, long-tailed ornithischian (an armor-plated plant-eater) 4 feet (1.2 m) long from Arizona, USA, 208-200 mya.

• Syntarsus - A lightly-built theropod (a bipedal meat-eater) 10 ft (3 m) long, from Zimbabwe, Africa and Arizona, USA, 208-194 mya.

South America

• Riojasaurus - A prosauropod from the late Triassic and early Jurassic, 225-219 million years ago. From Argentina.

• Neobatrachus - A frog about 4 inches (10 cm) long, weighing 3 ounces (85 gm). This insect-eater had a wide head, four limbs with five digits each and long back legs.

Dinosaurs Of The Middle Jurassic Period

Africa

• Cetiosaurus - A sauropod (long-tailed, long-necked plant-eater) over 50 feet (15 m) long from England and Morocco, 181-169 mya.

• Lapparentosaurus - A large brachiosaurid sauropod (long-tailed, long-necked, long-armed plant-eater) from Madagascar, 175-169 mya.

Asia

• Agilisaurus - A fast-running hypsilophodontid (ornithopod) 4 feet (1.6 m) long from China 170 mya.

• Chialingosaurus - A stegosaurid (plated, spiked plant-eater) 13 ft (4 m) long from China, 163-150 mya.

• Dachongosaurus - A poorly-known sauropodomorph (early plant-eater) from China, 208-145 mya.

• Damalasaurus - A poorly-known sauropod (plant-eater) from China, 188-169 mya.

• Datousaurus - A huge, primitive cetiosaurid sauropod (plant-eater) from China, 170 mya.

• Gasosaurus - A theropod (meat-eater) 12 ft (3.5 m) long from China, 175-163 mya.

• Huayangosaurus - A stegosaurid (a plant-eater with spikes and plates) 13.5 ft (4 m) long from China, 170 mya.

• Jiangjunmiaosaurus - A megalosaurid theropod (bipedal meat-eater)15 ft (5 m), from NW China, 170 mya.

• Jurassosaurus - An ankylosaurid (armored, tank-like plant-eater) 15 ft (5 m) long. From NW China, 170 mya.

• Kaijangosaurus - A theropod (bipedal meat-eater) 20 ft (6 m) long from China, 175-163 mya.

• Ngxisaurus- A small, poorly-known, theropod (bipedal meat-eater) from China, 200-145 mya.

• Protognathosaurus - A large, poorly-known, cetiosaurid sauropod (long-necked plant-eater) from China, 188-163 mya.

• Shunosaurus - A cetiosaurid sauropod (long-necked plant-eater) 40 ft (12 m) long, from China, 175-163 mya.

• Tianchisaurus - An ankylosaurid (armored, tank-like plant-eater) 15 ft (5 m) long. From NW China, 170 mya.

• Xiaosaurus - A small, bipedal, plant eater from the mid-Jurassic, 169-163 million years ago From China.

• Xuanhanosaurus - A theropod (meat-eater) 20 ft (6 m) long from China, 175-163 mya.

• Yandusaurus - A hypsilophodontid (lightly-built plant-eater) 5 ft (1.5 m) long from China, 175-163 mya.

Europe

• Callovosaurus - A poorly-known iguanodontid (thumb-spiked plant-eater) 11.5 ft (3.5 m) long, from England, 166 mya.

• Cardiodon - A large, poorly-known sauropod (plant-eater) with a heart-shaped tooth, from England, 170 mya.

• Cetiosaurus - A sauropod (long-tailed, long-necked plant-eater) over 50 feet (15 m) long from England and Morocco, 181-169 mya.

• Eustreptospondylus - A theropod (meat-eater) 20 ft (6 m) long from England, 165 mya.

• Iliosuchus - A poorly-known theropod (meat-eater) from England, 172 mya.

• Lexovisaurus - A stegosaurid (plant-eater with plates) 17 feet (5 m) long from England, 169-156 mya.

• Megalosaurus - A large theropod (bipedal meat-eater), 26 ft (8 m) long, from England, France, and Portugal, 181-169 million years ago.

• Piveteausaurus - A theropod (bipedal meat-eater), 36 ft (11 m) long, from France, 166-163 mya.

• Poekilopleuron - A megalosaurid theropod (bipedal meat-eater), 30 ft (9 m) long, from France, 175-172 mya.

• Proceratosaurus - A small, poorly-known theropod (meat-eater) from England, 175-169 mya. Known from only a fragmentary skull.

• Sarcolestes - A nodosaurid ankylosaurid (armored, tank-like plant-eater) from England, 161-157 mya.

North America

• Hesperisaurus - A large stegosaurid (plated plant-eater) from Wyoming, 180 mya.

South America

• Amygdalodon - (meaning "almond-tooth") A primitive sauropod (a quadrupedal, long-necked plant-eater) 50 feet (15 m) long from Argentina, 180-175 mya.

• Patagosaurus - A cetiosaurid sauropod (quadrupedal, long-necked plant-eater) 65 ft (20 m) long, from Argentina, 169-163 mya.

• Piatnitzkysaurus - A theropod (bipedal meat-eater), 14 ft (4.3 m) long, from Argentina, 169-163 mya.

• Volkheimeria - A sauropod (quadrupedal, long-necked plant-eater) from Argentina, 169-163 mya.

Dinosaurs Of The Late Jurassic Period

Africa

• Barosaurus - A diplodocid sauropod (a very long-necked, whip-tailed plant-eater) 60 feet (20 m) long from western North America and east Africa, 156-145 mya.

• Bothriospondylus - ("trench vertebrae") A brachiosaurid sauropod (a long-necked, long-tailed, plant-eater with longer arms than legs) 65 feet (20 m) long from England and Madagascar, 170-156 mya. It was described by Sir Richard Owen in 1875 and had hollow vertebrae.

• Brachiosaurus - Late Jurassic to early Cretaceous (150-130 mya)- up to 83 feet long (25 m), weighing close to 89 tons. Its neck was half its length. From the western USA and Africa.

• Ceratosaurus - A 15 to 20 feet long (4.5 to 6 m) long meat-eater from the western USA and Tanzania Africa, 156-145 mya.

• Dicraeosaurus - A diplodocid sauropod (whip-tailed, long-necked plant-eater), 45 ft (13 m) long from East Africa, 156-150 mya.

• Dryosaurus - Late Jurassic to early Cretaceous, 156-145 million years ago - a speedy herbivore (an ornithischian) up to 10 feet (3 m) long. From the western USA and east Africa.

• Elaphrosaurus - An early ornithomomid theropod (bipedal, bird-like, meat-eater) 17 ft (5 m) long, from Tanzania, East Africa, 155 mya.

• Janenschia - A large sauropod (long-necked plant-eater) 80 ft (24 m) long, from Tanzania, 156 -150 million years ago.

• Kentrosaurus - A spiked, plated plant-eater (a spiked stegosaurid) 17 ft (5 m) long, from the late Jurassic, 156-150 million years ago. From Tanzania, Africa.

• Tendaguria - A long-necked plant-eater from Tanzania, Africa.

Asia

• Caudipteryx zoui - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers, including a generous tail fan of long feathers - from China, 120-136 million years ago.

• Changdusaurus - A medium-sized stegosaurid (plated, plant-eater) from China, 163-144 mya.

• Chaoyoungosaurus - A pachycephalosaur (thick-skulled, plant-eater) from China, 163-145 mya.

• Chialingosaurus - A stegosaurid (plated, spiked plant-eater) 13 ft (4 m) long from China, 163-150 mya.

• Chinsakiangosaurus - A sauropodomorph (early plant-eater) from China, 163-144 mya.

• Chuandongosaurus - A poorly-known theropod (bipedal meat-eater) from China, late Jurassic period.

• Chungkingosaurus - A stegosaurid (plated, small-headed plant-eater) from China, 163-150 mya.

• Dachongosaurus - A poorly-known sauropodomorph (early plant-eater) from China, 208-145 mya.

• Euhelopus - A camasaurid sauropod (long-necked plant-eater with a box-like skull), 34 ft (10 m) long from Shandong, China, 156-150 mya.

• Gongbusaurus - A small ornithischian (plant-eater) from China, 175-145 mya.

• Lancanjiangosaurus - A large sauropod (long-necked plant-eater), from China, 163-145 mya.

• Mamenchisaurus - A diplodocid sauropod (long-necked, whip-tailed plant-eater), 70 ft (21 m) long, from China, 156-150 mya. It had the longest neck of any dinosaur.

• Monkonosaurus - A poorly-known stegosaurid (a plant-eater with thin plates) 17 ft (5 m) long, from Tibet, 150-138 mya.

• Monolophosaurus - A large, poorly-known theropod (bipedal meat-eater) from China, 170 mya.

• Ngxisaurus - A small, poorly-known, theropod (bipedal meat-eater) from China, 200-145 mya.

• Omeisaurus - A large, cetiosaurid sauropod (very long-necked, herding plant-eater), from China, 156-145 mya.

• Protarchaeopteryx robusta - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers- from China, 120-136 million years ago.

• Psittacosaurus - The most primitive ceratopsian (beaked, horned plant-eater) 6.5 ft (2 m) long, from Mongolia, China and Thailand, 150-138 mya.

• Sanpasaurus - A large, poorly-known plant-eater from China, 150-145 mya. Probably either an iguanodontid or a camptosaurid.

• Siamosaurus - A poorly-known theropod (bipedal meat-eater) from Thailand, 163-145 mya.

• Sinosauropteryx - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers- from China, 121 million years ago.

• Szechuangosaurus - A poorly-known theropod (bipedal meat-eater) 20 ft (6 m) long, from China, 156-145 mya.

• Tienshanosaurus - A large sauropod (long-necked plant-eater) 163-156 million years old. From China.

• Tuojiangosaurus - A stegosaurid (a plated, quadrupedal plant-eater), from China, 163-150 million years ago.

• Yangchuanosaurus - A large carnosaur (bipedal meat-eater) from China. Late Jurassic to early Cretaceous, 163-145 mya.

• Zigongosaurus - A late Jurassic sauropod (long-necked plant-eater), 156-145 million years ago, about 35+ feet long. From China.

Europe

• Alcodon - An ornithischian (plant-eater) 3 feet long (1 m) long from Portugal, 164 mya.

• Bihariosaurus - A poorly-known iguanodontid (a plant-eater with thumb spikes) from eastern Europe, 150-138 mya.

• Camarasaurus - A late Jurassic sauropod, a long-necked plant-eater up to 60 feet (18 m) long. It lived about 150-140 million years ago. From the western USA (Colorado, Utah, and Wyoming) and Europe (Portugal).

• Camptosaurus - A heavy plant-eater 16-23 feet (5-7 m) long. From western North America and Europe (England) during the late Jurassic period, about 156-145 million years ago.

• Cetiosauriscus - A diplodocid sauropod (whip-tailed, long-necked plant-eater) 50 feet (15 m) long from England, 181-169 mya.

• Compsognathus - A small, speedy carnivore. Late Jurassic to early Cretaceous (145-140 million years old). From Europe.

• Cryptocleidus - A marine reptile (a plesiosaur not a dinosaur) with paddle-like limbs, sharp teeth, and a long neck. This fish-eater was about 15 ft (4.6 m) long.

• Cryptodraco - A poorly-known nodosaurid ankylosaur (an armored plant-eater with no tail club) long from England, 160-156 mya.

• Dacentrurus - The first described stegosaur (plated plant-eater), 15 ft (4.5 m) long from England, Portugal, and France 163-150 mya.

• Draconyx - An iguanodontid from the late Jurassic, about 155 mya.

• Dracopelta - An early ankylosaurid (armored plant-eater) from Portugal, 156-150 mya.

• Echinodon - A scelidosaurid ornithischian (a plant-eater with some armor) from Colorado, USA, and Dorset, England, 145 mya.

• Gigantosaurus - A large, brachiosaurid sauropod (long-armed, long-necked plant-eater) from England, 156-150 mya.

• Ischyrosaurus - A poorly-known brachiosaurid sauropod (a long-necked, long-tailed, plant-eater with longer arms than legs) 24 feet (80 m) long from England, 156-150 mya.

• Lisboasaurus - A small, poorly-known theropod (bipedal meat-eater) from Portugal, 163-156 mya.

• Losillasaurus - A huge diplodocid sauropod from Spain.

• Macrodontophion - A poorly-known dinosaur of unknown classification, from the Ukraine, 170-97 mya. Only a single, unusual tooth was found.

• Magnosaurus - A large, poorly-known megalosaurid theropod (bipedal meat-eater) from England, 188-175 mya.

• Metriacanthosaurus - A large, poorly-known theropod (bipedal meat-eater) with a spines on the back vertebrae, from England, 160 mya.

• Morinosaurus - A huge, poorly-known, brachiosaurid sauropod (long-armed, long-necked plant-eater) from France, 153-150 mya.

• Neosodon - A huge, poorly-known, brachiosaurid sauropod (long-armed, long-necked plant-eater) from France, 160-148 mya. Known only from a tooth.

North America

• Allosaurus - A large meat-eater 154-144 million years old. From western USA.

• Amphicoelias - A diplodocid sauropod (whip-tailed, long-necked plant-eater) 70 feet (21 m) long from Colorado, USA, 150-154 mya.

• Apatosaurus - (Brontosaurus) toward the end of the Jurassic, length: 70-90 feet (21-27 m), a long-necked plant eater. From the western USA.

• Barosaurus - A diplodocid sauropod (a very long-necked, whip-tailed plant-eater) 60 feet (20 m) long from western North America and east Africa, 156-145 mya.

• Brachiosaurus - Late Jurassic to early Cretaceous (150-130 mya)- up to 83 feet long (25 m), weighing close to 89 tons. Its neck was half its length. From the western USA and Africa.

• Camptosaurus - A heavy plant-eater 16-23 feet (5-7 m) long. From western North America and Europe (England) during the late Jurassic period, about 156-145 million years ago.

• Cathetosaurus - A large, camarasaurid sauropod (a long-necked plant-eater) from western Colorado, USA, 156-145 mya.

• Ceratosaurus - ("horned lizard") This early theropod (156-145 million years old) had bird-like features and was a fast-moving meat eater, up to 20 feet (6 m) long. From the western USA and Tanzania Africa.

• Coelurus - A poorly-known theropod (bipedal meat-eater) 6 feet (1.8 m) long from Wyoming, USA, 156-145 mya.

• Diplodocus - 155-145 million years old, long-necked, 90 feet long, plant-eater. From the western USA.

• Drinker - A small, hypsilophodontid ornithischian (a plant-eater) from Wyoming, USA, 156-145 mya.

• Dryosaurus - Late Jurassic to early Cretaceous, 156-145 million years ago - a speedy herbivore (an ornithischian) up to 10 feet (3 m) long. From the western USA and east Africa.

• Dystrophaeus - A large diplodocid sauropod (whip-tailed, long-necked plant-eater) from Utah, USA, 156-145 mya.

• Dystylosaurus - A large brachiosaurid sauropod (long-armed, long-necked plant-eater) from Colorado, USA, 156-145 mya.

• Echinodon - A scelidosaurid ornithischian (a plant-eater with some armor) from Colorado, USA, and Dorset, England, 145 mya.

• Gargoyleosaurus - An armored plant eater from Wyoning, USA, 154 to 144 mya.

• Haplocanthosaurus - A cetiosaurid sauropod (a long-necked, long-tailed plant-eater) 70 feet (21 m) long from Colorado, USA, 156-145 mya.

• Laosaurus - A small, hypsilophodontid ornithischian (a plant-eater) from Wyoming, USA, and Alberta, Canada, 156-145 mya.

• Marshosaurus - A poorly-known theropod (bipedal meat-eater), 17 ft (5 m) long, from Utah and Colorado, USA, 156-145 mya.

• Nanosaurus - A small, hypsilophodontid ornithischian (a plant-eater), 4 ft (1.2 m) long, from Utah, Colorado, USA, 156-145 mya.

• Ornitholestes - A speedy theropod (bipedal meat-eater), 6.5 feet (2 m) long, lived about 156-145 million years ago. From the western USA.

• Othnielia - A small, hypsilophodontid ornithischian (a plant-eater), 4.5 feet (1.5 m) long, from Colorado, Utah, and Wyoming, USA, 156-145 mya.

• Seismosaurus - A long-necked, long-tailed plant-eater (a sauropod) 170 feet long (52 m), From New Mexico, USA, 156-145 mya.

• Stegosaurus - A plated, small-headed plant-eater, 25 feet (7 m) long, from the western USA, 156-145 mya.

• Stokesosaurus - A theropod (bipedal meat-eater) 13.5 ft (4 m) long, from Utah, USA, 156-145 mya.

• Supersaurus - A diplodocid sauropod (whip-tailed, long-necked plant-eater), 100 ft (30 m) long. From Colorado, USA 156-145 million years ago.

• Suuwassea - A small, diplodocid sauropod (whip-tailed, long-necked plant-eater), 14-15 m long. From Montana, USA 150 million years ago.

• Torvosaurus - A megalosaurid theropod (a large, bipedal meat-eater), 31 ft (9 m) long, from Colorado and Wyoming, USA, 156-145 mya.

• Ultrasauros - A giant diplodocid sauropod (whip-tailed, long-necked plant-eater), Late Jurassic, 100+ feet long. From Colorado.

Dinosaurs Of The Early Cretaceous

Africa

• Afrovenator - A Cretaceous theropod, 27 feet (8 m) long, from about 130 million years ago.

• Algoasaurus - A sauropod (long-necked plant eater) 30 feet (9 m) long from South Africa, 145-135 mya.

• Astrodon - A brachiosaurid sauropod (a long-necked plant-eater) 30 feet (9-10 m) long from Maryland, USA, and west Africa, 130-120 mya.

• Brachiosaurus - Late Jurassic to early Cretaceous (150-130 may,) up to 83 feet long (25 m), weighing close to 89 tons. Its neck was half its length. From western US and east Africa.

• Inosaurus - A theropod (meat-eater), 7 ft (2 m) long, from Nigeria, early Cretaceous.

• Kangnasaurus - An ornithopod (plant-eater), 7 ft (2 m) long, from South Africa, 145-97.5 mya.

• Malawisaurus - A titanosaurid sauropod, roughly 35 ft (10.5 m) long, from Malawi, 140-100 mya.

• Nqwebasaurus - A coelurosaurid theropod from S. Africa.

Asia

• Asiatosaurus - A huge plant-eater (a long-necked sauropod) from China and Mongolia, from the early Cretaceous.

• Caudipteryx zoui - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers, including a generous tail fan of long feathers - from China, 136-120 million years ago.

• Iguanodon - An ornithischian (plant-eater) with a thumb spike (an iguanodontid) 135-125 million years old. From England, Asia, western US.

• Kagasaurus - A large theropod (bipedal meat-eater), from Japan, 135-100 mya.

• Katsuyamasaurus - A large theropod (bipedal meat-eater), from Japan, 145-97.5 mya.

• Kitadanisaurus - A small theropod (bipedal meat-eater), from Japan, 144-97.5 mya.

• Mongolosaurus - A poorly-known sauropod (a large, long-necked plant-eater) from South Korea, 144-97.5 mya.

• Monkonosaurus - A poorly-known stegosaurid (a plant-eater with thin plates) 17 ft (5 m) long, from Tibet, 150-138 mya.

• Protarchaeopteryx robusta - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers- from China, 136-120 million years ago.

• Psittacosaurus - The most primitive ceratopsian (beaked, horned plant-eater) 6.5 ft (2 m) long, from Mongolia, China and Thailand, 150-138 mya.

• Raptorex - A small theropod (bipedal meat-eater), from northeastern China, 130 mya.

• Sauroplites - An ankylosaur (armored, tank-like plant-eater) from Mongolia, China, 145 to 97.5 mya. A doubtful genus.

• Ultrasaurus - A poorly-known sauropod (a large, long-necked plant-eater) from South Korea, 145-113 mya. (NOT THE SAME AS ULTRASAUROS)

• Wakinosaurus - A theropod (bipedal meat-eater) from Japan, 144-135 mya. Known from a very incomplete fossil.

• Wuerhosaurus - A stegosaurid (plated plant-eater) 25-37 ft (7-8 m) long, from China, 138-125 mya.

• Yangchuanosaurus - Late Jurassic to early Cretaceous, 163-145 million years ago - a carnosaur 33 feet (10 m) long. From China.

Europe

• Aepisaurus - A sauropod 55 feet (17 m) long, from France 133 mya.

• Altispinax - A theropod (meat-eater) 30 feet (9 m) long from Belgium, England, and Germany, 125-119 mya.

• Aragosaurus - A camarasaurid (a sauropod) 60 feet (18 m) long from Spain, 130-120 mya.

• Chondrosteosaurus - A large camarasaurid sauropod (a plant-eater with a box-like head) long from England, 131-119 mya.

• Compsognathus - A chicken-sized theropod (bipedal meat-eater) from Europe, 145-140 mya.

• Craterosaurus - A poorly-known stegosaurid (a plated plant-eater with a small head), from England, 138-125 mya.

• Crusafontia - An early mammal 4 inches (10 cm) long. Known only from a few teeth found in Portugal. This plant-eater probably looked like a tiny squirrel.

• Hylaeosaurus - An early ankylosaurid (armored plant-eater) from England, 135-119 mya.

• Iguanodon - An ornithopod (plant-eater) 33 ft (10 m) long. From England, Asia, western US, 135-110 million years ago. It was the second dinosaur ever described.

• Losillasaurus - A huge diplodocid sauropod from Spain.

• Macrurosaurus - A large titanosaurid sauropod (a plant-eater with some armor)40 ft (12 m) long, from England, 138-95 mya.

• Oplosaurus - A large brachiosaurid sauropod (a long-necked, long-tailed plant-eater with long front legs) long from the Isle of Wight, England, 138-125 mya.

• Pelorosaurus - A sauropod (long-necked, long-tailed plant-eater) 80 ft ( 24 m) long, from England and Portugal, 138-112 mya.

• Stenopelix - A marginocephalian ornithischian (beaked, bipedal plant-eater) 5 ft ( 1.5 m) long, from Germany, 144-138 mya.

• Valdosaurus - A medium-sized dryosaurid (plant-eater) from England and Romania, 144-113 mya.

• Wyleyia - A poorly-known theropod (perhaps) from England, 129-119 mya.

• Yaverlandia - A pachycephalosaur (thick-skulled, bipedal plant-eater) from England, 125-119 mya.

North America

• Astrodon - A sauropod (a long-necked plant-eater) 33 ft (10 m) long, from Maryland, USA, and Niger, Africa, 130-120 mya.

• Brachiosaurus - Late Jurassic to early Cretaceous (150-130 mya)- up to 83 feet long (25 m), weighing close to 89 tons. Its neck was half its length. From western US and east Africa.

• Cedarosaurus - Early Cretaceous - sauropod from Utah, USA.

• Dryosaurus - Late Jurassic to early Cretaceous - a speedy herbivore up to 10 feet (3 m) long. 156-145 million years ago. From western US and east Africa.

• Hoplitosaurus - A nodosaurid ankylosaur (an armored plant-eater) from South Dakota, USA, 135-119 mya.

• Iguanodon - 135-125 million years old. From England, Europe, Asia, western US.

• Planicoxa - An iguanodontid from eastern Utah.

• Pleurocoelus - A brachiosaurid sauropod (a long-necked, plant-eater) 30 ft (8.8 m) long, from Maryland and Texas, USA, 131-119 mya.

• Utahraptor - A 20 ft (6.5 m) long theropod (bipedal meat-eater) from Utah, USA, 125 mya.

• Venenosaurus - A titanosaurid sauropod (huge, long-necked, plant-eater) from Utah.

South America

• Amargasaurus - A sail-backed diplodocid 33 feet (10 m) long from Argentina, 131-125 mya.

• Andesaurus - A titanosaurid (a long-necked sauropod, a plant-eater) 60 feet (18 m) long from Argentina, 113-91 mya.

• Chubutisaurus - A large brachiosaurid (a long-necked sauropod whose hind legs were longer than the front legs, a plant-eater) from Argentina, 113-97 mya.

• Irritator - A spinosaurid (a theropod, a bipedal meat-eater) from Brazil.

Dinosaurs Of The Middle Cretaceous Period

Africa

• Aegyptosaurus - A Titanosaurid (a long-necked sauropod) 50 feet (15 m) long from Egypt, 100-95 mya.

• Astrodon - A brachiosaurid sauropod (a long-necked plant-eater) 30 feet (9-10 m) long from Maryland, USA, and west Africa, 130-120 mya.

• Bahariasaurus - A theropod (meat-eater) from Egypt, 20 ft (6 m) long, 105-95 mya.

• Carcharodontosaurus - A huge carnosaur (bipedal meat-eater), 110-90 million years ago from north Africa.

• Erectopus - A megalosaurid theropod (meat-eater) from France, Portugal, and Egypt, 113-97.5 mya.

• Kangnasaurus - An ornithopod (plant-eater), 7 ft (2 m) long, from South Africa, 145-97.5 mya.

• Ouranosaurus - A sail-backed plant-eater with thumb-spikes (an iguanodontid), from Niger, Africa, 115 mya.

• Paralititan - A huge sauropod, a plant-eater from Egypt, about 100 mya.

• Rebbachisaurus - A large, diplodocid sauropod (a whip-tailed, long-necked plant-eater) 68 feet (20 m) long from Morocoo and Niger, 113-97.5 mya.

• Spinosaurus - A large, sail-backed carnosaur (bipedal meat-eater), from Egypt, 98-95 million years ago. • Suchomimus - a Cretaceous spinosaurid theropod, 36 feet (11 m) long, from about 100 million years ago. From Niger, Africa.

Asia

• Alectrosaurus - A tyrannosaurid (huge, bipedal meat-eater) 30 feet (9 m) long from Mongolia, 90 mya.

• Altirhinus - A large, duck-billed, plant-eater from Mongolia, 120-100 mya

• Amtosaurus - An ankylosaur (an armored, club-tailed, plant-eater) 25 feet (7.5 m) long from Mongolia, 95-85 mya.

• Aralosaurus - A 30 ft (9 m) long duck-billed dinosaur (a hadrosaur) from Kazakhstan, 90-85 mya.

• Archaeornithomimus - A small, bird-like meat-eater (an ornithomimid) with three fingers from China, 90 mya.

• Asiaceratops - A small, primitive ceratopsian (a frilled plant-eater) 7 feet (2 m) long from Central Asia, 95 mya.

• Bactrosaurus - A primitive, lambeosaurine duck-bill (a crested, plant-eater) 20 feet (6 m) long from Mongolia, 97-85 mya.

• Beipiaosaurus - A plant-eating theropod 7.3 ft (2.2 m) long from China, 130-120 million years ago

• Chilantaisaurus - A big theropod (bipedal meat-eater) from Mongolia, China, and Siberia, 113-97 mya.

• Cionodon - A horse-sized duck-billed dinosaur (a hadrosaurid) from Alberta, Canada and Russia, 97.5-65 mya.

• Enigmosaurus - A meat-eater (21-23 ft (6.5-7 m) long;) from Mongolia, 97-88 mya.

• Erlikosaurus - A meat-eater 16-20 ft (5-6 m) long from Mongolia, 97.5-88.5 mya.

• Garudimimus - A beaked Ornithomimid, an omnivore,12 feet (3.5 m) long from the Gobi Desert, Mongolia, 97.5-88.5 mya.

• Harpymimus - A theropod (bipedal meat-eater) 12 ft (3.5 m) long, from Mongolia, 119-97.5 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.

• Iguanodon - 135-125 million years old. From England, Asia, western USA.

• Itemirus - A poorly-known theropod (bipedal meat-eater) from Mongolia, 90 mya.

• Jaxartosaurus - A large, duckbilled dinosaur (a hadrosaur, a beaked plant-eater) 30 ft (9 m), from Japan, 91 - 83 mya.

• Jinzhousaurus - An iguanodontid from China, 128-121 mya • Kagasaurus - a large theropod (bipedal meat-eater), from Japan, 135-100 mya.

• Katsuyamasaurus - A large theropod (bipedal meat-eater), from Japan, 145-97.5 mya.

• Kelmayisaurus - A large theropod (bipedal meat-eater), from China, 119-97.5 mya.

• Kitadanisaurus - A small theropod (bipedal meat-eater), from Japan, 144-97.5 mya.

• Liaoningosaurus - An ankylosaur with a bony plate protecting its abdomen (from China).

• Maleevus - An ankylosaurid (armored plant-eaters), 20 ft (5 ) long, from Mongolia, 97.5-88.5 mya.

• Megacervixosaurus - A diplodocid sauropod (whip-tailed plant-eater) from China, 97.5 - 65 mya. Known only from some teeth and vertebrae.

• 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.

• Mongolosaurus - A poorly-known sauropod (a large, long-necked plant-eater) from South Korea, 144-97.5 mya.

• Probactrosaurus - An iguanodontid (a thumb-spiked plant-eater) 20 ft (6 m) long, from China, 97.5-91 mya.

• Prodeinodon - A poorly-known theropod (bipedal meat-eater) from Mongolia, China 119-113 mya. Based on a partial tooth.

• Protarchaeopteryx robusta - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers- from China, 136-120 million years ago.

• Psittacosaurus - A ceratopsian (horned, frilled plant-eater) 6.5 feet (2 m) long from Asia, 95-90 mya.

• Sauroplites - An ankylosaur (armored, tank-like plant-eater) from Mongolia, China, 145 to 97.5 mya. A doubtful genus.

• Segnosaurus - A theropod (meat-eater) 13 to 30 feet (4-9 m) long, from Mongolia, 97.5-88.5 mya.

• Shamosaurus - An ankylosaurid (armored, tank-like plant-eater) from Mongolia, 119 to 97.5 mya.

• Sinornithoides - A turkey-sized, omnivorous troodontid from Mongolia, 110 to 100 mya.

• Sinosauropteryx - A small, bird-like, non-flying, late Jurassic - early Cretaceous theropod with feathers- from China, 121 million years ago.

• 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.

• Turanoceratops - A small ceratopsian (a horned, frilled, plant-eater) from Russia, 97.5-65 mya.

• Ultrasaurus - A poorly-known sauropod (a large, long-necked plant-eater) from South Korea, 145-113 mya. (NOT THE SAME AS ULTRASAUROS.)

• Wuerhosaurus - A stegosaurid (plated plant-eater) 25-37 ft (7-8 m) long, from China, 138-125 mya.

Australia

• Atlascopcosaurus - An ornithopod (a plant-eater) 6.5-20 ft (2-3 m) long, from SE Australia, 114-110 mya.

• Austrosaurus - A 50 feet (15 m) long sauropod from Queensland, Australia 113-98 mya, a quadrupedal plant-eater. This was the second sauropod found in Australia.

• Kakuru - A theropod (meat-eater) 8 ft(2.4 m), from South Australia, 119-113 mya.

• Leaellynasaura - An ornithopod (plant-eater) 10 ft (3 m) long, from Australia, 115-110 mya.

• Minmi - An unusual nodosaurid ankylosaur (armored plant-eater with a clubbed tail), 10 feet (3 m) long, from Australia, 119-113 mya.

• Muttaburrasaurus - An iguanodontid ornithopod (a thumb-spiked plant-eater) 24 ft (7 m) long, from Australia, 113-97.5 mya.

• Rapator - A poorly-known theropod (bipedal meat-eater) from Australia, 113-97.5 mya. Known from only a tail vertebrae. A doubtful genus known from a toe bone.

• Walgettosuchus - A theropod (bipedal meat-eater) from Australia, 119-113 mya. Known from only a tail vertebrae.

Europe

• Acanthopholis - A plant-eating, armored dinosaur from 115-91 million years old. From England.

• Anoplosaurus - An iguanodontid (a plant-eater with thumb spikes) from England, 98 mya.

• Aragosaurus - A camarasaurid (a sauropod, a plant-eater) 60 feet (18 m) long from Spain, 130-120 mya.

• Baryonyx - A large, unusual theropod (bipedal fish-eater) with long snout and long claws. From England, 125 mya.

• Becklespinax - A 15 ft (5 m) long theropod (bipedal meat-eater) from England, 125 mya.

• Calamosaurus - A small, poorly-known theropod (bipedal meat-eater) from England, 125-118 mya.

• Calamospondylus - A small, poorly-known theropod (bipedal meat-eater) from England, 125 mya.

• Chondrosteosaurus - A large camarasaurid sauropod (a plant-eater with a box-like head) long from England, 131-119 mya.

• Crataeomus - A poorly-known nodosaurid ankylosaur (armored, quadrupedal plant-eater) from Hungary, 91-88.5 mya.

• Craterosaurus - A poorly-known stegosaurid (a plated plant-eater with a small head), from England, 138-125 mya.

• Eotyrannus - A tyrannosaurid theropod (meat-eater) from Isle of Wight, England, 120 to 125 mya.

• Erectopus - A megalosaurid theropod (meat-eater) from France, Portugal, and Egypt, 113-97.5 mya.

• Hylaeosaurus - An early ankylosaurid (armored plant-eater) from England, 135-119 mya.

• Hypsilophodon - A hypsilophodontid ornithischian (a fast-moving, bipedal plant-eater) 7.5 ft (2.3 m) long, from England and Spain, 125 mya.

• Iguanodon - An ornithopod (plant-eater) 33 ft (10 m) long. From England, Asia, western US, 135-110 million years ago. It was the second dinosaur ever described.

• Leipsanosaurus - A poorly-known nodosaurid ankylosaur (armored, quadrupedal plant-eater) from Transylvania, Romania, 91-88.5 mya.

• Macrurosaurus - A large titanosaurid sauropod (a plant-eater with some armor)40 ft (12 m) long, from England, 138-95 mya.

• Oplosaurus - A large brachiosaurid sauropod (a long-necked, long-tailed plant-eater with long front legs) long from the Isle of Wight, England, 138-125 mya.

• Ornitholdesmus - A small, poorly-known theropod (meat-eater) from England, 125-119 mya.

• Pelorosaurus - A sauropod (long-necked, long-tailed plant-eater) 80 ft ( 24 m) long, from England and Portugal, 138-112 mya.

• Scipionyx - A tiny theropod whose incredible fossil contains rare imprints of soft tissue - from Italy 113 million years ago.

• Valdoraptor - A large theropod (meat-eater) from England, 125-119 mya.

• Valdosaurus - A medium-sized dryosaurid (plant-eater) from England and Romania, 144-113 mya.

• Vectensia - A nodosaurid ankylosaur (armored, quadrupedal plant-eater) from England, 97-65 mya.

• Wyleyia - A poorly-known theropod (perhaps) from England, 129-119 mya.

• Yaverlandia - A pachycephalosaur (thick-skulled, bipedal plant-eater) from England, 125-119 mya.

India

• Dryptosauroids - A poorly-known theropod (bipedal meat-eater), from India, 97.5 -65 mya.

• Orthogoniosaurus - A poorly-known theropod (bipedal meat-eater), from India, 95 -65 mya. Only a tooth was found.

North America

• Acrocanthosaurus - A sail-backed Allosaurid (meat-eater) 30 feet (9 m) long. From Oklahoma and Texas, USA, 115-105 mya.

• Astrodon - A sauropod (a long-necked plant-eater) 33 ft (10 m) long, from Maryland, USA, and Niger, Africa, 130-120 mya.

• Cionodon - A horse-sized duck-billed dinosaur (a hadrosaurid, a plant-eater) from Alberta, Canada and Russia, 97.5-65 mya.

• Deinonychus - A theropod (bipedal meat-eater) with a big, sickle-like claw on each foot. From the western USA (Montana and Wyoming), 110-100 mya.

• Diplotomodon - A large theropod (a bipedal meat eater). From New Jersey, USA, 97.5-65 mya.

• Hoplitosaurus - A nodosaurid ankylosaur (an armored plant-eater) from South Dakota, USA, 135-119 mya.

• Iguanodon - 135-125 million years old. From England, Europe, Asia, western USA.

• Microvenator - A turkey-sized theropod (bipedal meat-eater), 4 ft. (1.2 m) long, from Montana, USA, 119-113 mya.

• Nodosaurus - A nodosaurid ankylosaur (an armored plant-eater), 20 ft. (6 m) long, from Kansas and Wyoming, USA, 113-98.5 mya.

• Oryctodromeus cubicularis - An ornithopod (a small, fast-moving, burrowing plant-eater), 4.3 ft. (1.2 m) long, from Montana, USA, 95 mya.

• Pawpawsaurus - A nodosaurid ankylosaur (an armored plant-eater), Texas, USA, 97 mya.

• Pleurocoelus - A brachiosaurid sauropod (a long-necked, plant-eater) 30 ft (8.8 m) long, from Maryland and Texas, USA, 131-119 mya.

• Protohadros - The earliest-known duckbilled dinosaur (beaked plant-eater), from Texas, USA, 95.5 mya.

• Sauropelta - A nodosaurid ankylosaurid (an armored, plant-eater), 19 ft (6 m) long, from Montana and Wyoming, USA, 116-91 mya.

• Sauroposeidon - A huge brachiosaurid sauropod 60 ft long, from Oklahoma, USA, 110 mya.

• Silvisaurus - A nodosaurid ankylosaur (an armored plant-eater) 11 ft (3.25 m) long, from Kansas, USA, 116-113 mya.

• Sonorasaurus - A large sauropod 50 ft long, from Arizona, USA, 99-112 mya.

• Tenontosaurus - Ornithopod (plant-eater) 23 feet (7 m) long. From Montana Oklahoma, Texas, Utah, Wyoming USA, 116-113 mya.

• Utahraptor - A meat-eater 20 ft (6.5 m) long, from Utah, USA,125 mya.

• Zephyrosaurus - A plant-eater (Hypsilophontod) 6 ft (1.8 m) long from Montana. USA, 119-113 mya.

• Zuniceratops - A ceratopsian (plant-eater) from New Mexico, USA, USA, 84-71 mya.

South America

• Alvarezsaurus - A lightly-built, bird-like, bipedal theropod 6 feet (2 m) long, long from Argentina.

• Argentinosaurus - A huge sauropod 130+ feet (40 m) long long from Argentina, this may be the largest dinosaur.

• Campylodoniscus - A large sauropod (long-necked plant-eater) from Argentina, 97-85 mya.

• Carnotaurus - A horned theropod (bipedal meat-eater) 25 ft (7.5 m) long, from Patagonia, Argentina, 113 -91 mya.

• Clasmosaurus - A large sauropod (a long-necked plant-eater) from Argentina, 95 mya.

• Genyodectes - A poorly-known theropod (bipedal meat-eater) from Argentina.

• Giganotosaurus - The largest known meat-eater. Found in Argentina in 1994. About 100 million years old.

• Loricosaurus- A large titanosaurid sauropod (long-necked plant-eater with armor) from Argentina, 95-90 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.

• Santanaraptor - A theropod (bipedal meat-eater) from Brazil, 112 to 99 million years ago.

• Unenlagia - A very bird-like dinosaur, a small theropod (bipedal meat-eater) from Argentina, 90 million years old.

Dinosaurs Of The Late Cretaceous Period

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

• 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 foot (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.

• Gallimimus - 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

• 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

• 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

• 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.

• Edmontosaurus - 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.

• Lambeosaurus - 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.

• Monoclonius - 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 2m 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.

• Styracosaurus - 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

• 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.