Psammodus? Fossil Tooth Plate

My cousin back from a recent field expedition found a large (5 cm) tooth-plate fossil. It appears to be a holocephalan known as Psammodus (Agassiz, 1834). The fossil dates to the Mississippian Period and was found in Grayson County, Kentucky USA.

 Thanks Kenny for the images.

 

 

Bryozoan on Crinoid Fossil

This fossil is a bryozoan anchored on to a crinoid column. It was found in the Glen Dean formation of Grayson County, Kentucky USA. The fossil dates to the Mississippian Period. Thanks to Kenny for the images.

Cladochonus beecheri Coral Fossil on Crinoid

These pictures are of what appears to be a Cladochonus beecheri (Grabau, 1899 aka Monilopora) coral fossil that had grown on a crinoid column. Fossil found in the New Providence Formation of Clark County, Indiana USA. It dates to the Mississippian Period. Thanks to Kenny for the images.