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Sphaerium corneum
Image courtesy of Wikimedia Commons (Author: Francisco Welter Schultes) via the Creative Commons CC-BY-SA 2.5 License
Sphaerium corneum
Taxonomic Group: Mollusks-Bivalves


Sphaerium corneum is commonly known as the European Fingernail Clam. It is a small deposit feeding clam found in freshwaters and occurs at salinities of at least 3 PSU. Its native range extends throughout Europe, from France, the British Isles, Sweden and Finland to Poland and Lithuania, including low-salinity regions of the Baltic Sea. In North America, it has been introduced to the Great Lakes, the Saint Lawrence River and Estuary, Lake Champlain, Lake George, and the Hudson River. This species burrows in the sediment of rivers, streams, and lakes. No ecological or economic impacts have been reported for this species.

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Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
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Marine Invasions Lab
Smithsonian Environmental Research Center

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