| Iocrinus | |
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| Iocrinus subcrassus | |
| Scientific classification | |
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| Family: | Iocrinidae
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| Genus: | Iocrinus Hall, 1866
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Iocrinus is an extinct genus of crinoid1 (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.
Selected species
- Iocrinus brithdirensis
- Iocrinus crassus
- Iocrinus pauli
- Iocrinus shelvensis
- Iocrinus similis
- Iocrinus subcrassus
- Iocrinus trentonensis
- Iocrinus whitteryi
References
References
- Paleobiology Database entry
- Iocrinus in the Ordovician of England and Wales
- Stuart M. Kelly, Functional Morphology and Evolution of Iocrinus: An Ordovician Disparid Inadunate Crinoid, Indiana University, 1978.
- "Iocrinus". Atlas of Ordovician Life. 2013-12-07. Retrieved 2023-06-26.