Species: Sphaerium partumeium (Say) 1822

Swamp fingernail clam: Found in SK only in the extreme southeast corner. Found in all types of lentic habitats of various permanencies. Also occurs in slow reaches of streams. Usually found in mud substrates.

References:

Clarke, A.H. 1981. The Freshwater Molluscs of Canada. National Museum of Natural Sciences, Ottawa.