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Updated March 2026
795+ Fossil Entries
arthropodCambrianUpdated March 2026

Wyoming Elrathia Trilobite

Cambrian

Wyoming Elrathia Trilobite fossil specimen

About Wyoming Elrathia Trilobite

The Wyoming Elrathia Trilobite is a arthropod fossil dating to the Cambrian. Elrathia Trilobite is a realistic Wyoming fossil profile built around small shale trilobite famous from thin laminated western exposures. In this state, success usually comes from learning dinosaur-bearing mudstones, glacial gravels, and marine shales, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

“According to TroveRadar, Wyoming Elrathia Trilobite fossils from the Cambrian are found across Wyoming. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.

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Identification Tips

  • flat body plan
  • fine segments
  • thin dark shale matrix
  • Check dinosaur-bearing mudstones, glacial gravels, and marine shales

Where Found

Wyoming

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Explore More

How do I identify a Wyoming Elrathia Trilobite fossil?
Wyoming Elrathia Trilobite fossils from the Cambrian can be identified by: flat body plan. fine segments. thin dark shale matrix. Check dinosaur-bearing mudstones, glacial gravels, and marine shales. They are most commonly found in Wyoming.
Where are Wyoming Elrathia Trilobite fossils found?
Wyoming Elrathia Trilobite fossils are found in Wyoming. Look in sedimentary rock formations dating to the Cambrian era. The best collecting is typically found in exposed roadcuts, creek banks, and quarry sites.
How old are Wyoming Elrathia Trilobite fossils?
Wyoming Elrathia Trilobite fossils date to the Cambrian. They are classified as arthropod fossils in TroveRadar's database, which catalogs 795+ fossil entries across North America.
Is it legal to collect Wyoming Elrathia Trilobite fossils?
Fossil collecting laws vary by state and land ownership. Common invertebrate fossils are generally collectible on some public lands for personal use, but vertebrate fossils and collecting on protected lands may require permits. Always check local regulations before collecting. Use TroveRadar's State Guides for specific rules.