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