MP-169 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 Anacodon ursidens, Coryphodon, Diacodexis metsiacus, Bunophorus robustus, Homogalax protapirinus, Hyopsodus simplex.

Geologic setting

Formation: Willwood
Geologic interval: Wasatchian
Age: 56–51.1 Ma
Depositional environment: fluvial-lacustrine indet.
Tectonic setting: intermontane basin
Recorded occurrences: 10

Locality notes

Quad = Y U Bench NW, Township = 52N, Range = 99W, Section = 11

Fossils found here

Anacodon ursidens

Mammalia · Arctocyonidae

Coryphodon

Mammalia · Coryphodontidae

Diacodexis metsiacus

Mammalia · Diacodexeidae

Bunophorus robustus

Mammalia · Diacodexeidae

Homogalax protapirinus

Mammalia · NO_FAMILY_SPECIFIED

Hyopsodus simplex

Mammalia · Hyopsodontidae

Bunophorus etsagicus

Mammalia · Diacodexeidae

Arenahippus pernix

Mammalia · Equidae

Lacertilia

Reptilia

Testudines

Reptilia

Records and references

Data: Paleobiology Database collection 46747 (CC BY 4.0) — view the source record

Getting there

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Trip reports

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Questions about MP-169

Can you collect at MP-169?

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-169?

Fossil.

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What to bring

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Source: Paleobiology Database.