Fossilized Crinoid Stem look-alikes
Crinoidia (stem ossicle)
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Open the appSeveral rocks and minerals can be confused with Fossilized Crinoid Stem. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
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Blastoid Thecal Plates
Blastoidea (thecal plates)
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Foraminifera
Foraminifera (tests)
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