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MP-190

Wyoming
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Next site in WyomingMP-189 · 0.2 mi

Can I collect here?

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See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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Based on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

All of Wyoming
0.2 miMP-189Fossil0.3 miMP-78Fossil1 miMP-186Fossil

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About MP-190

MP-190 is a fossil collection site in Wyoming, cataloged in the Paleobiology Database. Fossils here come from the Willwood Formation, dated to the Wasatchian (56–51.1 million years ago). The depositional environment is recorded as fluvial-lacustrine indet and the tectonic setting is intermontane basin. Documented finds include Cardiolophus semihians, Crocodylia, Hyopsodus lysitensis, Bunophorus etsagicus, Arenahippus pernix.

Geologic setting

Formation
Willwood
Geologic interval
Wasatchian
Age
56–51.1 Ma
Depositional environment
fluvial-lacustrine indet.
Tectonic setting
intermontane basin
Recorded occurrences
5
Locality notes

Quad = Stone Barn Camp, Township = 53N, Range = 99W, Section = 8

Fossils found here

Cardiolophus semihians
Mammalia · NO_FAMILY_SPECIFIED
Crocodylia
Reptilia
Hyopsodus lysitensis
Mammalia · Hyopsodontidae
Bunophorus etsagicus
Mammalia · Diacodexeidae
Arenahippus pernix
Mammalia · Equidae

Records and references

Data: Paleobiology Database collection 46764 (CC BY 4.0) — view the source record

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Questions about MP-190

Can you collect at MP-190?

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 MP-190?

Fossil.

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Source: Paleobiology Database.