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Musculium partumeium (Say, 1822)
Swamp Fingernailclam
Family: Sphaeriidae


© Ian Gardiner     (Photo ID #65266)


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Distribution of Musculium partumeium in British Columbia in British Columbia


Musculium partumeium is endemic to North America according to the fossil record. It is found in southernmost Canada, and most of the United States east of the Rockies. West of the Rockies, it is known from California and Nevada (Mackie, 2007). Only two occurrences for British Columbia are known – a 1969 record from the Kootenays, and a 2013 record from Salt Spring Island.

This species is found in ponds, swamps, small lakes, and slow-moving streams. It has a preference for muddy bottoms (Herrington, 1962).

Note Author: Ian Gardiner

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
NativeS2S4BlueNot Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Sphaerium partumeium

Additional Range and Status Information Links

Species References

Herrington, H.B. 1962. A revision of the Sphaeriidae of North America (Mollusca: Pelecypoda). Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 118: 74pp, 7 plates.

Mackie, G.L. 2007. Biology of freshwater corbiculid and sphaeriid clams of North America. Ohio Biological Survey Bulletin New Series. Vol XV No. 3: ix + 436pp.