Wisconsin Crinoid Stem Identification

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.

Key Traits

  • stacked columnals
  • central hole
  • star or wagon-wheel cross sections
  • Check glacial till, Devonian limestones, and Lake Superior gravels

Era

Paleozoic

Type

echinoderm

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