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ECHINODON
EDMONTOSAURUS
ELAPHROSAURUS
ELMISAURUS
EMAUSAURUS
ENIGMOSAURUS
EOCERATOPS
EORAPTOR
ERECTOPUS
ERLIKOSAURUS
EUCENTROSAURUS
EUHELOPUS
EUOPLOCEPHALUS
EUSKELOSAURUS
EUSTREPTOSPONDYLUS
 
EUCENTROSAURUS
Pronunciation: you-SEN-truh-SAWR-us  
Translation: Sharp Pointed Lizard
Also known as: Centrosaurus
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Marginocephalia
Infraorder: Ceratopsia
Micro-order Neoceratopsia
Family: Ceratopsidae
Height: 8 feet (2.4 meters)
Length: 16.4 feet (5 meters)
Weight:
Period: Late Cretaceous


Notes: Discovered in large numbers in Alberta, Canada, Eucentrosaurus is one of the best-known ceratopsians. Apparently a herd of these dinosaurs died all at once, perhaps caught in a flash flood. Smaller than Triceratops, Eucentrosaurus had a forward-curving 18-inch (46-cm) nasal horn and a pair of small horns above its eyes. Skin casts exist that show Eucentrosaurus to possess a knobby skin with hexagonal or pentagonal bumps set close together.


EUHELOPUS
Pronunciation: you-heh-LO-pus  
Translation: Good Marsh Foot
Also known as: Helopus
Description: Herbivore, Quadrupedal
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Sauropoda
Family: Euhelopodidae
Height: 14 feet (4.3 meters)
Length: 34 feet (10 meters)
Weight: Up to 50,000 pounds (22,680 kg)
Period: Late Jurassic


Notes: Partial skeletons of this extremely long-necked saurischian were found in China. With forelimbs as long as its hind limbs, Euhelopus was unusual-looking for a camarasaurid, which was its original family classification. Further studies have determined that members of this genus, as well as other Chinese sauropods from this time, such as Mamenchisaurus, share enough unique characteristics to constitute a separate sauropod family. The new sauropod family has logically been named Euhelopodidae.


EUOPLOCEPHALUS
Pronunciation: you-op-luh-SEF-uh-lus  
Translation: Well-protected Head
Also known as: Dyoplosaurus,
Anodontosaurus, Scolosaurus
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Thyreophora
Infraorder: Ankylosauria
Family: Ankylosauridae
Height: 6 feet (1.8 meters)
Length: 20 feet (6.1 meters)
Weight: 3,970 - 7,050 pounds (1,800-3,175 kg)
Period: Late Cretaceous


Notes: Discovered in Alberta, Canada, Euoplocephalus is one of the best-known armored dinosaurs. The upper part of its body, including its eyelids, was covered with bony plates and rows of horny spikes up to six inches (15 cm) long. Built low to the ground with massive, short leg bones, this "armored tank" had a distinctive clubbed tail. The many Euoplocephalus skeletons recovered have all been found isolated from one another, leading to the picture of this dinosaur as a solitary grazer.


EUSKELOSAURUS
Pronunciation: yoo-SKEL-uh-SAWR-us  
Translation: Good Leg Lizard
Also known as:
Description: Herbivore, Quadrupedal,
semi Bipedal
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Prosauropoda
Family: Plateosauridae
Height: 10 feet (3 meters)
Length: 29.5 feet (9 meters)
Weight:
Period: Late Triassic


Notes: Euskelosaurus was plentiful in its day. It had a long neck and tail and, like all prosauropods, was able to walk on its hind legs.


EUSTREPTOSPONDYLUS
Pronunciation: you-strep-tuh-SPON-dih-lus  
Translation: Well-Reversed Vertebrae
Also known as: Streptospondylus
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda Infraorder: Tetanurae
Micro-order: Carnosauria
Family: Eustreptospondylidae
Height: 10 feet (3.0 meters)
Length: 23 feet (7.0 meters)
Weight: 2,500 pounds (1,134 kg)
Period: Middle Jurassic


Notes: The remains of Eustreptospondylus were among the first to be named by Sir Richard Owen in 1841, one year before he published the term dinosaur for the first time. The skeleton of this carnivore is on display at the University Museum in Oxford. It resembles Meglosaurus, the first dinosaur to be named (1824). Eustreptospondylus was related to Allosaurus which appeared in the Late Jurassic. Its head was large, and its long jaws were lined with sharp, serrated teeth.


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