This crinoid calyx was found in the Bangor Limestone of Colbert County, Alabama. The animal lived in the Mississippian (Carboniferous) ...

The brachiopod pictured appears to be an Anthracospirifer leidyi? found in the Bangor Limestone of Colbert County, Alabama. This animal ...

While this brachiopod is common in the Waldron Shale, these in pyrite form are rare. Field of view of the microscope is about 8 mm.  Inter...