File:Nerita versicolor (four-toothed nerite snails) in a rocky shore intertidal zone (San Salvador Island, Bahamas) 2 (15393309504).jpg

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Summary

Description

Nerita versicolor Gmelin, 1791 - four-toothed nerite snails in a rocky shore intertidal zone.

These nerite snails are on an epikarstified aragonitic limestone surface in the intertidal zone. They are grazing on algal/bacterial films by scraping the rocks with their radulae. The limestone rocks are cross-bedded, aragonitic, calcarenitic eolianites, formed in a terrestrial, near-shore, wind-dominated, sand dune environment.

Stratigraphy: North Point Member, Rice Bay Formation, middle Holocene, ~5300 years old

Classification: Animalia, Mollusca, Gastropoda, Neritidae

Locality: western rocky shoreline of North Point Peninsula, eastern margin of Graham's Harbour, northeastern San Salvador Island, eastern Bahamas
Date
Source Nerita versicolor (four-toothed nerite snails) in a rocky shore intertidal zone (San Salvador Island, Bahamas) 2
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@N05/15393309504 (archive). It was reviewed on 13 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

13 October 2019

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Date/TimeThumbnailDimensionsUserComment
current17:23, 13 October 2019Thumbnail for version as of 17:23, 13 October 20193,008 × 2,000 (2.22 MB)Ser Amantio di NicolaoTransferred from Flickr via #flickr2commons
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