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NAME: Dromaeosaurus
NAMED BY: William Diller Matthew and Barnum Brown
DATE NAMED: 1922
NAME MEANING: Fast running lizard
PRONOUNCIATION: DROW-mee-OH-sore-US
DISCOVERED BY: Barnum Brown
DESCRIBED BY: William Diller Matthew and Barnum Brown
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KINGDOM: Animalia
PHYLUM: Chordata
CLASS: Reptilia
SUPERORDER: Dinosauria
ORDER: Saurischia
SUBORDER: Theropoda
INFRAORDER: Coelurosauria
SUPERFAMILY: N/A
FAMILY: Deinonychosauria
SUBFAMILY: Dromaeosaurinae
TRIBE: N/A
NODE: N/A
BRANCH: N/A
GENUS: Dromaeosaurus
-William Diller Matthew and Barnum Brown
SPECIES: D. albertensis
-Matthew and Brown, 1922
D. explanatus
-Cope, 1876
D. falculus
-Cope, 1876
D. laevifrons
-Cope, 1876
D. gracilis
-Marsh, 1888
TYPE SPECIES: Dromaeosaurus albertensis
-Matthew and Brown, 1922
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SPECIAL CHARACTERISTICS: Small size with powerful jaws and teeth, probably feathers
LENGTH: 6 ft 7 inches, 2 m
HEIGHT: 1.5 ft, 0.5 m
WEIGHT: 33 lbs, 15 kg
DIET: Carnivore
MOBILITY: Bipedal
INTELLIGENCE: High
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- 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.
- Albertosaurus - A carnivore similar to Tyrannosaurus, but smaller. 76-74 million years old. From western North America.
- 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.
- 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.
- Ceratops - a 25 ft (7.5 m) long ceratopsian (horned plant-eater) from 80-73 mya, from Montana, USA.
- Claorhynchus - a poorly-known ceratopsian (horned, frilled, plant-eater) from 83-73 mya, from Montana, USA.
- Deinodon - the first tyrannosaurid named, a large theropod (bipedal meat-eater) from Montana, USA, 75-70 mya.
- Diclonius - a 27 ft (8 m) duck-billed dinosaur (a hadrosaurid, a plant-eater) from Montana, USA, 83-73 mya.
- Dysganus - a poorly-known ceratopsian (horned, frilled, plant-eater) from 83-73 mya, from Montana, 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
- Eucentrosaurus - a 17 ft (5 m) long ceratopsian (horned plant-eater) from 76-72 mya, from Montana, USA and Alberta, Canada.
- 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.
- Ichthyornis - a fish-eating bird that was a powerful flyer. It was 8 inches (20 cm) long and lived near the coast.
- Lambeosaurus - a duck-billed dinosaur (a hadrosaur) 30 ft (9 m) long, from the western USA and Mexico, 83-65 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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
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- 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
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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
- 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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LEVEL OF COMPLETENESS: Partially
WHERE IT WAS FOUND: Montana, USA. Alberta, Canada.
TERRAIN TYPE: Plains
PERIOD: Late Cretaceous, 76.5 - 74.8 MYA
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- Podocarpus
- Betulaceae (like Alnus)
- Araliaceae (like Aralia)
- Conifers (like Araucarioxylon, Metasequoia, and Pinus)
- Corneaceae (like Cornus)
- Cycadeodias (like Cycadeoidea)
- Fagaceae (like Quercus - oak)
- Filincophyta (like Dryophyllum)
- Filincophyta (like Tetrastichia )
- Ginkgophyta (like Ginkgo)
- Lauraceae (like Laurus and Sassafras)
- Magnoliaceae (like Magnolia)
- Moraceae (like Ficus)
- Palmae (Palmus)
- Pandanaceae (Pandanus)
- Salicaceae (like Populus and Salicaceae)
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DATABASE NUMBER: AMNH 5356
REFERENCE NUMBER: N/A
POST NUMBER: 1/1
REASON FOR FEATURING: Giants of Hell Creek
PREVIOUSLY POSTED: Yes
