Verified by TroveRadar Field Database
Updated March 2026
795+ Fossil Entries
Oklahoma Inoceramid Clam fossil specimen
molluskLate CretaceousUpdated March 2026

Oklahoma Inoceramid Clam

Late Cretaceous

About Oklahoma Inoceramid Clam

The Oklahoma Inoceramid Clam is a mollusk fossil dating to the Late Cretaceous. Inoceramid Clam is a realistic Oklahoma fossil profile built around large thin-shelled bivalve from western interior seaway deposits. In this state, success usually comes from learning chalk beds, badlands mudstones, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

“According to TroveRadar, Oklahoma Inoceramid Clam fossils from the Late Cretaceous are found across Oklahoma. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.

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Identification Tips

  • broad shell plates
  • concentric growth lines
  • chalk or shale matrix
  • Check chalk beds, badlands mudstones, and river gravels

Where Found

Oklahoma

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Explore More

How do I identify a Oklahoma Inoceramid Clam fossil?
Oklahoma Inoceramid Clam fossils from the Late Cretaceous can be identified by: broad shell plates. concentric growth lines. chalk or shale matrix. Check chalk beds, badlands mudstones, and river gravels. They are most commonly found in Oklahoma.
Where are Oklahoma Inoceramid Clam fossils found?
Oklahoma Inoceramid Clam fossils are found in Oklahoma. Look in sedimentary rock formations dating to the Late Cretaceous era. The best collecting is typically found in exposed roadcuts, creek banks, and quarry sites.
How old are Oklahoma Inoceramid Clam fossils?
Oklahoma Inoceramid Clam fossils date to the Late Cretaceous. They are classified as mollusk fossils in TroveRadar's database, which catalogs 795+ fossil entries across North America.
Is it legal to collect Oklahoma Inoceramid Clam 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.