Part 3: Crawfordsville Crinoids (Mississippian, Indiana, USA)
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Q: What makes Crawfordsville crinoids special?
A: Over 60 species preserved in exquisite 3D detail, many with crowns and stems still attached
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Q: How were they preserved?
A: Crinoids lived densely packed and were buried alive by storm slumps (tempestites/turbidites)
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Q: Why are they scientifically valuable?
A: Show feeding tiering—different stem lengths allowed species to occupy different levels of the water column
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