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Two types of marsh snails. The one on the right is Littorina littorina.
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Image ID: line2241, NOAA's America's Coastlines Collection
Location: Maryland, Patuxent River
Photo Date: 2000 July 30
Photographer: Mary Hollinger, NODC biologist, NOAA
Category: Coastline/Chesapeake Bay Maryland/
• High Resolution Photo Available
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