Illinois Spirifer Brachiopod Identification
Spirifer Brachiopod is a realistic Illinois fossil profile built around winged brachiopod with strongly extended hinge line. 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.
Key Traits
- ●long hinge line
- ●deep fold and sulcus
- ●strong ribs
- ●Check Silurian and Devonian limestones, shale cuts, and glacial gravels
Era
Devonian-Mississippian
Type
marine invertebrate
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