Iocrinus Explained

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.

Selected species

• Iocrinus brithdirensis
• Iocrinus crassus
• Iocrinus pauli
• Iocrinus shelvensis
• Iocrinus similis
• Iocrinus subcrassus
• Iocrinus trentonensis
• Iocrinus whitteryi

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.

Notes and References

1. Web site: 2013-12-07 . Iocrinus . 2023-06-26 . Atlas of Ordovician Life . en-US.