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13 kwi 2024 · The 1st image is of Ordovician Flexicalymene meeki trilobites that I found in a creek bed in the Arnheim (sunset?) formation in Mt. Orab, Ohio. I identified these trilobites as F. meeki based on their relatively wide and sharp cephalons (heads).
27 sie 2017 · I had the Privilege to be invited to dig at the Famed Trilobite Farm in Mt. Orab Ohio by Dan Cooper. Home of some of the best preserved trilobites in the world. I met Dan at a rest stop at 7 a.m. Saturday and we proceed to the location.
Fossil Site: Arnheim formation, Highland County, Ohio. A large and pristine example of a common trilobite from the Ordovician of Ohio, Flexicalymene retrorsa, a Calymenid trilobite (Order Phacopida; Family: Calymenidae) coming from the Ordovician Richmond Formation strata of Mount Orab, Ohio.
Mt. Orab Trilobite Shale Bed, Brown County, Ohio, USA. BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems.
Collecting fossils is a fun and educational outdoor activity for people of all ages. Responsible collecting preserves fossils that would otherwise be destroyed by natural physical and chemical weathering of rocks.
The Mt. Orab Ohio trilobite farm exposes the Arnheim formation of the Richmondian group. Heavy equipment was earlier used to expose the rich layer of the trilobite genera Flexicalymene and Isotelus. Dan has invited the Dry Dredgers to come to the site for surface collecting and limited digging.
The rocks and fossils on this site are somewhere in the range of 430 to 445 million years old. Here are some photos of the surface collecting. Fossils Found That day. Perhaps the most exciting find was a whole crinoid calyx that was fragmenting on needed to be carefully extracted from the surface.
