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Updated March 2026
795+ Fossil Entries
echinodermPaleozoicUpdated March 2026

Iowa Crinoid Stem

Paleozoic

Iowa Crinoid Stem fossil specimen

About Iowa Crinoid Stem

The Iowa Crinoid Stem is a echinoderm fossil dating to the Paleozoic. Crinoid Stem is a realistic Iowa fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

“According to TroveRadar, Iowa Crinoid Stem fossils from the Paleozoic are found across Iowa. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.

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Identification Tips

  • stacked columnals
  • central hole
  • star or wagon-wheel cross sections
  • Check Silurian and Devonian limestones, shale cuts, and glacial gravels

Where Found

Iowa

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Illinois Crinoid Stem

Paleozoic

Crinoid Stem is a realistic Illinois fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

echinoderm
Photo coming soon

Indiana Crinoid Stem

Paleozoic

Crinoid Stem is a realistic Indiana fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

echinoderm
Photo coming soon

Ohio Crinoid Stem

Paleozoic

Crinoid Stem is a realistic Ohio fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

echinoderm
Photo coming soon

Minnesota Crinoid Stem

Paleozoic

Crinoid Stem is a realistic Minnesota fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning glacial till, Devonian limestones, and Lake Superior gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

echinoderm
Photo coming soon

Wisconsin Crinoid Stem

Paleozoic

Crinoid Stem is a realistic Wisconsin fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning glacial till, Devonian limestones, and Lake Superior gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

echinoderm
Photo coming soon

Michigan Crinoid Stem

Paleozoic

Crinoid Stem is a realistic Michigan fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning glacial till, Devonian limestones, and Lake Superior gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

echinoderm

Explore More

How do I identify a Iowa Crinoid Stem fossil?
Iowa Crinoid Stem fossils from the Paleozoic can be identified by: stacked columnals. central hole. star or wagon-wheel cross sections. Check Silurian and Devonian limestones, shale cuts, and glacial gravels. They are most commonly found in Iowa.
Where are Iowa Crinoid Stem fossils found?
Iowa Crinoid Stem fossils are found in Iowa. Look in sedimentary rock formations dating to the Paleozoic era. The best collecting is typically found in exposed roadcuts, creek banks, and quarry sites.
How old are Iowa Crinoid Stem fossils?
Iowa Crinoid Stem fossils date to the Paleozoic. They are classified as echinoderm fossils in TroveRadar's database, which catalogs 795+ fossil entries across North America.
Is it legal to collect Iowa Crinoid Stem 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.