This appears to be a Dolatocrinus triangulatus? (Barris, 1878) crinoid calyx fossil. It was found in the Thunder Bay Formation of Alpena ...

This fossil is a great example of the brachiopod lophophore feeding tubes preserved in a white quartz form. This brachiopod appears to be ...

This fossil be found at the Bellarmine University Geoscience Collection located in Louisville, Kentucky. It is  a  Elrathia kingii trilob...