Bill Heimbrock's Ordovician Paradise
A gallery of fossils from the Upper Ordovician strata of the Cincinnatian Series.
Cincinnatian Fossils of the Ordovician Period
Contains photographs and descriptions of fossils collected from the Cincinnatian Series.
Cincinnatian Trilobites
Information about trilobites from the Upper Ordovician Period Cincinnatian Seiries of Eastern North America. Includes images and links.
Dry Dredgers
An association of amateur geologists dedicated to the knowledge and enjoyment of fossils. Based in Cincinnati, Ohio.
Limper Geology Museum at Miami University
Fossil collection of primarily southwestern Ohio, northern Kentucky, and eastern Indiana Upper Ordovician.
The Paul Sanders Fund
Fund supported by the Cincinnati Dry Dredgers offering small grants to researchers working on fossils of the Cincinnatian Series and other fossils in the area.
The Type Cincinnatian
Compilation of information about the Cincinnatian from Richard Davis. Includes extensive bibliography and alphabetical listing of all known genera.
Trilobite Fragment Identifier
A tutorial of how to identify Cincinnati trilobites from commonly found fragments.