Here is an unidentified crinoid arm with pinnules found in the Lexington Limestone of Franklin County Kentucky USA. The fossil dates to th...

This image is of a Ptychodus decurrens (Agassiz) shark tooth fossil from the Cretaceous Period. Found in the Chalk of Kent England. Dis...

This image is of a Terebrirostra lyra (J. Sowerby) brachiopod fossil from the Late Cretaceous Period (Lower Cenomanian). Found in the ...