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Updated March 2026
795+ Fossil Entries
cephalopodLate CretaceousUpdated March 2026

Montana Baculite

Late Cretaceous

Montana Baculite fossil specimen

About Montana Baculite

The Montana Baculite is a cephalopod fossil dating to the Late Cretaceous. Baculite is a realistic Montana fossil profile built around straight-shelled ammonite common in western seaway chalk and shale. 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, Montana Baculite fossils from the Late Cretaceous are found across Montana. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.

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Identification Tips

  • straight chambered shell
  • ribbed exterior
  • suture lines
  • Check dinosaur-bearing mudstones, glacial gravels, and marine shales

Where Found

Montana

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Related Fossils

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North Dakota Ammonite

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Ammonite is a realistic North Dakota fossil profile built around coiled marine shell with complex sutures from warm Cretaceous seas. 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.

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South Dakota Ammonite

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Ammonite is a realistic South Dakota fossil profile built around coiled marine shell with complex sutures from warm Cretaceous seas. 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.

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Nebraska Ammonite

Mesozoic

Ammonite is a realistic Nebraska fossil profile built around coiled marine shell with complex sutures from warm Cretaceous seas. 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.

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Kansas Ammonite

Mesozoic

Ammonite is a realistic Kansas fossil profile built around coiled marine shell with complex sutures from warm Cretaceous seas. 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.

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Oklahoma Ammonite

Mesozoic

Ammonite is a realistic Oklahoma fossil profile built around coiled marine shell with complex sutures from warm Cretaceous seas. 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.

cephalopod
Photo coming soon

Montana Ammonite

Mesozoic

Ammonite is a realistic Montana fossil profile built around coiled marine shell with complex sutures from warm Cretaceous seas. 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.

cephalopod

Explore More

How do I identify a Montana Baculite fossil?
Montana Baculite fossils from the Late Cretaceous can be identified by: straight chambered shell. ribbed exterior. suture lines. Check dinosaur-bearing mudstones, glacial gravels, and marine shales. They are most commonly found in Montana.
Where are Montana Baculite fossils found?
Montana Baculite fossils are found in Montana. 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 Montana Baculite fossils?
Montana Baculite fossils date to the Late Cretaceous. They are classified as cephalopod fossils in TroveRadar's database, which catalogs 795+ fossil entries across North America.
Is it legal to collect Montana Baculite 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.