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Sphaeriidae is a
family of
small to
minute freshwater bivalve molluscs in the
order Sphaeriida. In the US, they are
commonly known as pea
clams or fingernail...
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produce a
single large egg at a time. The
family used to be
known as "
Sphaeriidae", but the name was
preoccupied by a
family of
freshwater clams. The name...
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species of
small freshwater clam, an
aquatic bivalve mollusc in the
family Sphaeriidae, the
fingernail clams and pea clams. The 8–11 mm. s**** is oval to quadrangular...
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molluscs in the
family Sphaeriidae, the pea
clams and
fingernail clams. In some
bivalve classification systems, the
family Sphaeriidae is
referred to as Pisidiidae...
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peaclam or the
River pea s****. It is an
aquatic bivalve in the
family Sphaeriidae.
Although only 9 mm (range 7–11 mm) in length, this
species is considerably...
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about half of these, all in the
families Euglesidae, Pisidiidae, and
Sphaeriidae, are
endemic (the only
other family in the lake is the
Unionidae with...
- very
small freshwater clams,
aquatic bivalve molluscs in the
family Sphaeriidae,
known as the
fingernail clams. The
small clams in this
genus are unusual...
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Margaritiferidae Mycetopodidae Unionidae Veneroida Cardiidae Corbiculidae Sphaeriidae Dreissenidae Solenidae Donacidae Navavulidae Myoida Corbulidae Erodonidae...
- very
small freshwater clam, an
aquatic bivalve mollusk in the
family Sphaeriidae, the
fingernail clams. The s**** is
fairly globular and can grow up to...
- tiny
Heleobia spp.) and less than half a
dozen bivalves (all in
family Sphaeriidae), but in
general these are very
poorly known and
their taxonomy is in...
