Article · Wikipedia archive · Last revised Jun 27, 2026

Neslen Formation

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

Last revised
Jun 27, 2026
Read time
≈ 1 min
Length
109 w
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3
Source
Neslen Formation
Stratigraphic range: Cretaceous
TypeFormation
Lithology
OtherCoal
Location
RegionUtah
CountryUnited 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 source ↗

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

See also

See also

References

References