Fox Mesa is a fossil collection site in Big Horn, Wyoming, cataloged in the Paleobiology Database. Fossils here come from the Morrison Formation, dated to the Kimmeridgian to Tithonian (154.8–143.1 million years ago). The depositional environment is recorded as floodplain. Documented finds include Ornithopoda, Multituberculata, Symmetrodonta, Eupantotheria, Theropoda, Sphenodontia.

Geologic setting

Formation: Morrison
Geologic interval: Kimmeridgian to Tithonian
Age: 154.8–143.1 Ma
Depositional environment: "floodplain"
Recorded occurrences: 7

Geology notes

"floodplain succession"

Locality notes

near Fox Mesa, near Shell, WY

Fossils found here

Ornithopoda

Ornithischia

Multituberculata

Mammalia

Symmetrodonta

Mammalia

Eupantotheria

Mammalia

Theropoda

Reptilia

Sphenodontia

Reptilia

Opisthiamimus gregori

Reptilia · NO_FAMILY_SPECIFIED

Records and references

Data: Paleobiology Database collection 55333 (CC BY 4.0) — view the source record

Getting there

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Questions about Fox Mesa

Can you collect at Fox Mesa?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at Fox Mesa?

Fossil.

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What to bring

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Meteorite nearbyA 8.9 kg stony meteorite was found at Hyattville in 2008, 15 miles from here.

Source: Paleobiology Database.