Sweet Flexicalymene retrosa Trilobite from Ohio

Flexicalymene retrosa

Trilobite Order Phacopida; Family Calymenidae

Geological Time: Upper Ordovician

Size (25.4 mm = 1 inch): Trilobite is 3.1 cm (1 1/4”) in length on a 4 x 3 ½” plate

Fossil Site: Arnheim Member of the Richmond Formation, Mount Orab, Ohio

Code: PFT524

Price: $105.00


Flexicalymene retrosaDescription: Arguably the best-preserved trilobites in the world come from this famous quarry located at Mt. Orab, Ohio. This one is no exception. It exhibits the classic sweet chocolate color, which contrasts attractively against the grey siltstone matrix. This trilobite is not fully prone, it has a slight tuck on the pygidium.

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Flexicalymene retrosa

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