Using the Fossils of Ohio (Bulletin 70: Ohio Division of Geological Survey; 1996) on page 154 in the chapter on Phyllum Mollusca, Class Gast...

These two images depict a Hexagonaria sp. coral found in Jefferson County, Kentucky. It is from the Jeffersonville Limestone. Units on ru...

Here are some pictures of samples from the Indiana University Southeast ( IUS ) Geoscience Department . I was there the other evening inqui...