Hermosa Group

Hermosa Group Stratigraphic range: Carboniferous
Type	Group
Sub-units	Honaker Trail Formation Paradox Formation Pinkerton Trail Formation
Underlies	Cutler Group
Overlies	Molas Formation
Lithology
Primary	mudstone
Other	shale, limestone
Location
Coordinates	37°25′52″N 107°50′13″W / 37.431°N 107.837°W / 37.431; -107.837
Region	Utah
Country	United States
Type section
Named for	Hermosa Creek
Named by	Cross and Spencer
Year defined	1899

Hermosa Formation exposed in a roadcut near Rico, Colorado.

The Hermosa Group is a group of geologic formations in Utah and Colorado. It preserves fossils dating back to the Carboniferous period.

See also[]

• List of fossiliferous stratigraphic units in Utah
• Paleontology in Utah

References[]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)

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