Crinoid fossil

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Agaricocrinus fossil crinoid (Edwardsville Formation, Lowe… | Flickr Crawfordsville Indiana, Sea Fossils, Dinosaur Plant, Fossil Art, Crinoid Fossil, Minerals Crystals Stones, Carnival Of The Animals, Rocks And Fossils, Cave Paintings

Agaricocrinus fossil crinoid from the Mississippian of Indiana, USA. (William Morgan collection) Crinoids (sea lilies) are sessile, benthic, filter-feeding, stalked echinoderms that are relatively common in the marine fossil record. Crinoids are also a living group, but are relatively uncommon in modern oceans. A crinoid is essentially a starfish-on-a-stick. The stick, or stem, is composed of numerous stacked columnals, like small poker chips. Stems and individual columnals are the most…

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