Iocrinus is an extinct genus of crinoid[1] (sea lilies and feather stars). It is an early form of crinoid, from the Ordovician rock of North America, England, and Gilwern Hill, Powys in Wales.

Iocrinus
Iocrinus subcrassus
Scientific classification
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Iocrinus

Selected species

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References

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  1. ^ "Iocrinus". Atlas of Ordovician Life. 2013-12-07. Retrieved 2023-06-26.