Description
Mined from: Silica Shale, Sylvania area, Lucas County, Ohio, U.S.A
Era: Paleozoic
Geological Age: Middle Devonian, Givetian, approximately 387.9–382.3 mya
Description: This one of a kind pyrite crinoid crown fossil specimen is a large gray matrix plate preserving multiple crown sections with long, curved arms spread across the surface. The fossilized crowns stand out clearly against the lighter stone, with dark pyritized arm segments and raised cup-like centers giving the piece a layered, sculptural look. It has a strong display presence because the crowns are still easy to read, and the natural breaks and cracks in the matrix add to the fossil’s original, unpolished character.
Lucas County is one of the best-known American localities for pyritized Devonian fossils from the Silica Formation, and crinoids are among its classic finds. Crinoids are marine echinoderms related to sea stars and sea urchins, and the crown is the feeding part of the animal, made up of many branching arms that once filtered food from seawater. In this specimen, those arm structures were preserved through pyritization, which is why the fossil has such strong contrast and detail in the crown area.
Many people are drawn to crinoid fossils for what they represent: endurance, structure, and the quiet persistence of life through deep time. A piece like this often appeals to those who like fossils that feel ancient, grounded, and steady, with a natural sense of order preserved in stone.
Quantity: 1pc
With this product, you will get the actual stone in the photograph. We do what we can to buy good quality products and price them honestly. The rocks may differ from the photos, but we hope we do them justice.