Most observed native Sphaeriida
Native to the US, by how plants support them, most observed first.
Other species All
24 native species with no plant ties on record, most observed first.
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Grooved Fingernailclam
Sphaerium simile
875 observations
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Striated Fingernailclam
Sphaerium striatinum
792 observations
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Lake Fingernailclam
Musculium lacustre
602 observations
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Herrington Fingernailclam
Sphaerium occidentale
453 observations
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Swamp Fingernailclam
Musculium partumeium
365 observations
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Long Fingernailclam
Sphaerium transversum
228 observations
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Pond Fingernailclam
Musculium securis
189 observations
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Rhomboid Fingernailclam
Sphaerium rhomboideum
111 observations