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ZoomDinosaurs.com
The Mesozoic Era (248 - 65 million years ago) Ages of the Mesozoic Era
Triassic Period
248 - 206 mya
First dinosaurs and mammals		 Jurassic Period
206-144 mya
Many dinosaurs and the first birds		 Cretaceous Period
144-65 mya
First flowering plants, the height of the dinosaurs. Ends in huge extinction.
Early - Middle
248-227 mya		 Late
227-206 mya		 Early
(Lias)
206-180 mya		 Middle
(Dogger)
180-154 mya		 Late
(Malm)
154-144 mya		 Early
(Neocomian)
144-127 mya		 Middle
(Gallic)
127-89 mya		 Late
(Senonian)
89-65 mya

THE MIDDLE JURASSIC PERIOD, THE DOGGER EPOCH: 180-159 million years ago (mya).

In the Middle Jurassic, the supercontinent Pangaea started to drift apart . A north-south rift formed in mid-Jurassic, and by the late Jurassic, the separation of the continents of Laurasia and Gondwana was almost complete. PANGAEA

Laurasia

DINOSAURS FROM THE MIDDLE JURASSIC PERIOD, THE DOGGER EPOCH: 180-159 million years ago (mya).

Plant eaters are in green; meat eaters are in red.
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.


ZoomDinosaurs.com
The Mesozoic Era (248 - 65 million years ago) Ages of the Mesozoic Era
Triassic Period
248 - 206 mya
First dinosaurs and mammals		 Jurassic Period
206-144 mya
Many dinosaurs and the first birds		 Cretaceous Period
144-65 mya
First flowering plants, the height of the dinosaurs. Ends in huge extinction.
Early - Middle
248-227 mya		 Late
227-206 mya		 Early
(Lias)
206-180 mya		 Middle
(Dogger)
180-154 mya		 Late
(Malm)
154-144 mya		 Early
(Neocomian)
144-127 mya		 Middle
(Gallic)
127-89 mya		 Late
(Senonian)
89-65 mya


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