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Saurolophus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Ornithischia
Suborder: Ornithopoda
Infraorder: Iguanodontia
Superfamily: Hadrosauroidea
Family: Hadrosauridae
Subfamily: Hadrosaurinae
Tribe: Saurolophini
Genus: Saurolophus
Brown, 1912
Species: S. osborni
Binomial name
Saurolophus osborni
Brown, 1912
Species
S. osborni
S. angustirostris Rozhdestvensky, 1952
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Saurolophus is a large hadrosaurid. Like many hadrosaurs, Saurolophus has a distinctive crest, which in its case slopes upward from the back of the skull. The holotye skeleton (displayed in the AMNH) measures 8.4 meters long. The type species is known from the Horsehoe Canyon Formation in Alberta, Canada. There is also a Mongolian species (S. angustirostris) known from the Nemegt Formation. It is represented by more fossils than any other Mongolian hadrosaurid, and appears to have been the dominant herbivore.
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