Rockhounding.org

UM FB-18

Lincoln County, Wyoming
Directions
Next site in WyomingUM FB-14 · 0.5 mi

Can I collect here?

Pro
See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
Read the collecting rules by land type

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.

0.5 miUM FB-14Fossil0.5 miUM FB-9Fossil0.8 miUM FB-27Fossil

More fossil sites in Wyoming

See them all

More sites in Wyoming

View all Wyoming sites
The Market

New on the Market

Native American arrowheadNative American arrowhead$20cubedmoons3Browse the Market

Found something here? List it for sale

About UM FB-18

UM FB-18 is a fossil collection site in Lincoln, Wyoming, cataloged in the Paleobiology Database. Fossils here come from the Wasatch Formation, dated to the Wasatchian (56–51.1 million years ago). The depositional environment is recorded as fluvial indet. Documented finds include Coryphodon, Microsyops latidens, Hyopsodus minor, Haplomylus scottianus, Paramys excavatus, Hyaenodontidae.

Geologic setting

Formation
Wasatch
Geologic interval
Wasatchian
Age
56–51.1 Ma
Depositional environment
fluvial indet.
Recorded occurrences
7

Fossils found here

Coryphodon
Mammalia · Coryphodontidae
Microsyops latidens
Mammalia · Microsyopidae
Hyopsodus minor
Mammalia · Hyopsodontidae
Haplomylus scottianus
Mammalia · Apheliscidae
Paramys excavatus
Mammalia · Ischyromyidae
Hyaenodontidae
Mammalia · Hyaenodontidae
Protorohippus venticolum
Mammalia · Equidae

Records and references

Data: Paleobiology Database collection 186945 (CC BY 4.0) — view the source record

Getting there

No directions yet.

How hard is it?

Getting there
– / 5
Finding anything
– / 5
Votes
0

Trip reports

No trip reports yet.

Questions about UM FB-18

Can you collect at UM FB-18?

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 UM FB-18?

Fossil.

Comments

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

No comments yet.

What to bring

The whole kit
  • Estwing E3-22P Rock PickThe industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.See it on AmazonCompare picks
  • Clear Anti-Fog Safety Glasses (4 Pack)Adjustable, anti-fog lenses for clear vision in any conditions.See it on AmazonCompare picks
  • Watertight Medical KitCompact, waterproof first aid kit with bandages, moleskin, and field essentials.See it on AmazonCompare picks
  • Northwest Treasure Hunter's Gem and Mineral GuideWhether you're digging for the first time or are an experienced rockhound or "prospector," with a simple rock hammer and...See it on Amazon

As an Amazon Associate we earn from qualifying purchases.

Source: Paleobiology Database.