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File:Platyceras sp. (fossil snail) (Fort Payne Formation, Lower Mississippian; Lake Cumberland, Kentucky, USA) 1 (34283194680).jpg

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Platyceras sp. - fossil gastropod from the Mississippian of Kentucky, USA.

The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. Most gastropods have a calcareous external shell (the snails). Some lack a shell completely, or have reduced internal shells (the slugs & sea slugs & pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores.

The fossil snail shown above is Platyceras, a famous Paleozoic gastropod that was coprophagous on crinoids. Platyceras shell shapes conformed to the shapes of anal pyramids on crinoid crowns.

Classification: Animalia, Mollusca, Gastropoda, Archaeogastropoda, Trochina, Platyceratidae

Stratigraphy: Fort Payne Formation, upper Osagean Stage, upper Lower Mississippian

Locality: lakeside exposure at Gross Creek West, southwestern side of Gross Creek, far-southern part of the Indian Creek arm of southwestern Lake Cumberland, northern Clinton County, southern Kentucky, USA

See info. at:

<a href="https://en.wikipedia.org/wiki/Platyceras" rel="noreferrer nofollow">en.wikipedia.org/wiki/Platyceras</a>
Date
Source Platyceras sp. (fossil snail) (Fort Payne Formation, Lower Mississippian; Lake Cumberland, Kentucky, USA) 1
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/34283194680 (archive). It was reviewed on 12 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

12 October 2019

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current04:02, 12 October 2019Thumbnail for version as of 04:02, 12 October 20192,227 × 1,464 (2 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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