File:Pterorhytis conradi (fossil snail) (Croatan Formation, Lower Pleistocene; Lee Creek Mine, Aurora, North Carolina, USA) 10.jpg

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Description
English: Pterorhytis conradi (Dall, 1890) - fossil snail shell from the Pleistocene of North Carolina, USA. (apertural view)

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.

Classification: Animalia, Mollusca, Gastropoda, Neogastropoda, Muricoidea, Muricidae

Stratigraphy: lower Croatan Formation (a.k.a. lower James City Formation), Lower Pleistocene (= "unit D" of Ward & Blackwelder, 1987, Smithsonian Contributions to Paleobiology 61: 113-283.)

Locality: Lee Creek Mine at Aurora, eastern North Carolina, USA
Date
Source https://www.flickr.com/photos/47445767@N05/51161656316/
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/51161656316. It was reviewed on 6 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

6 May 2021

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current19:16, 6 May 2021Thumbnail for version as of 19:16, 6 May 20211,292 × 2,111 (1.83 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51161656316/ with UploadWizard

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