Pennsylvania Crinoid Stem Identification
Crinoid Stem is a realistic Pennsylvania fossil profile built around disk-like stem segments from sea lilies in shallow marine limestone. In this state, success usually comes from learning Devonian shales, Mississippian limestones, and glacial 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 Devonian shales, Mississippian limestones, and glacial gravels
Era
Paleozoic
Type
echinoderm
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