Indiana Crinoid Calyx Identification

Crinoid Calyx is a realistic Indiana fossil profile built around rarer crown portion of sea lilies with cup plates and arm bases. 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

  • cup-shaped plated body
  • radial symmetry
  • attached arm sockets
  • Check Silurian and Devonian limestones, shale cuts, and glacial gravels

Era

Mississippian

Type

echinoderm

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