Tuesday, April 30, 2024

Ectenocrinus (Heterocrinus) simplex Crinoid Fossil

This fossil appears to be an Ectenocrinus (Heterocrinus) simplex (Hall, 1847) crinoid calyx fossil. It was given to  Lucien Beckner (1872-1963) in earlier 1900s by Dr. William H. Shideler (1886-1958) of Miami University of Ohio. The fossil dates to the Ordovician Period.


 

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