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PRONUNCIATION: |
AL-uh-SAWR-us |
TRANSLATION: |
Other Lizard |
ALSO KNOWN AS: |
Antrodemus, Creosaurus |
DESCRIPTION: |
Carnivore, Bipedal |
ORDER: |
Saurischia |
SUBORDER: |
Theropoda |
INFRAORDER: |
Tetanurae |
MICRO-ORDER: |
Carnosauria |
SUPERFAMILY: |
n/a |
FAMILY: |
Allosauridae |
HEIGHT: |
17 feet (5.2 meters) |
LENGTH: |
40 feet (12.2 meters) |
WEIGHT: |
4,000 lbs (1,814 kg) |
PERIOD: |
Late Jurassic |
NOTES: |
Allosaurus is one of the best known carnosaurs. Sixty individuals, from juveniles to adults, were found at one site in Utah. It is likely that Allosaurus may have been the most common carnosaur of the Late Jurassic. Despite its size, Allosaurus is thought to have been a speedy hunter, running with a 3.7-meter-long stride at up to 20 mph. Its most distinguishing characteristic is the presence of two short horns, above and in front of each eye. |
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