Bill Heimbrock's Ordovician Paradise - A gallery of fossils from the Upper Ordovician strata of the Cincinnatian Series. home.cinci.rr.com/billheim
Limper Geology Museum at Miami University - Fossil collection of primarily southwestern Ohio, northern Kentucky, and eastern Indiana Upper Ordovician. netapps.muohio.edu/redirect.php?glgcwis/Museum/Collect.HTMLX
The Type Cincinnatian - Compilation of information about the Cincinnatian from Richard Davis. Includes extensive bibliography and alphabetical listing of all known genera. www.msj.edu/davisr/cintian
Trilobite Fragment Identifier - A tutorial of how to identify Cincinnati trilobites from commonly found fragments. home.sprynet.com/~billheim/fragment.htm
Dry Dredgers - An association of amateur geologists dedicated to the knowledge and enjoyment of fossils. Based in Cincinnati, Ohio. homepages.uc.edu/~handgl/dredgers.htm
