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Neslen Formation

From Wikipedia, the free encyclopedia
Neslen Formation
Stratigraphic range: Cretaceous
TypeFormation
Lithology
OtherCoal
Location
RegionUtah
Country United States

The Neslen Formation is a geologic formation in Utah. It preserves fossils dating back to the Cretaceous period. It has been exploited for coal.[1] The Kaiparowits Formation is closely associated.[1]

Skull of Rhinorex condrupus from the Neslen Formation of Utah; photo by Nick Longrich
Skull of Rhinorex condrupus from the Neslen Formation of Utah

Only two specimens have been reported from the formation. The first is a diagnostic tyrannosaur foot, the second being the type and only specimen of Rhinorex.[1]

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