PisidiumW
Pisidium

Pisidium is a genus of very small or minute freshwater clams known as pill clams or pea clams, aquatic bivalve molluscs in the family Sphaeriidae, the pea clams and fingernail clams.

Pisidium amnicumW
Pisidium amnicum

Pisidium amnicum is a species of very small freshwater clam, sometimes known as the greater European peaclam or the River pea shell. It is an aquatic bivalve in the family Sphaeriidae.

Pisidium casertanumW
Pisidium casertanum

Pisidium casertanum, the pea cockle or pea clam, is a minute freshwater bivalve mollusc of the family Sphaeriidae.

Pisidium clessiniW
Pisidium clessini

Pisidium clessini is a species of extinct freshwater bivalve from family Sphaeriidae.

Pisidium conventusW
Pisidium conventus

Pisidium conventus, the arctic-alpine pea clam, is a species of freshwater bivalve from the family Sphaeriidae.

Pisidium henslowanumW
Pisidium henslowanum

Pisidium henslowanum is a species of very small freshwater clam or pea clam, an aquatic bivalve mollusc in the family Sphaeriidae. It is commonly referred to as the Henslow peaclam.

Pisidium hibernicumW
Pisidium hibernicum

Pisidium hibernicum is a species of freshwater bivalve from the family Sphaeriidae.

Pisidium lilljeborgiiW
Pisidium lilljeborgii

Pisidium lilljeborgii is a species of freshwater bivalve from the family Sphaeriidae.

Pisidium miliumW
Pisidium milium

Pisidium milium is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams.

Pisidium nitidumW
Pisidium nitidum

Pisidium nitidum, the shining pea clam, is a species of minute freshwater clam, an aquatic bivalve mollusc in the family Sphaeriidae, the pea clams and fingernail clams.

Pisidium obtusaleW
Pisidium obtusale

Pisidium obtusale is a species of freshwater bivalve from family Sphaeriidae.

Pisidium pseudosphaeriumW
Pisidium pseudosphaerium

Pisidium pseudosphaerium is a species of freshwater bivalve from family Sphaeriidae.

Pisidium pulchellumW
Pisidium pulchellum

Pisidium pulchellum, the iridescent pea mussel, is a minute species of pea clam, a freshwater bivalve in the family Sphaeriidae.

Pisidium punctiferumW
Pisidium punctiferum

Pisidium punctiferum, the striate peaclam, is a freshwater bivalve of the family Sphaeriidae.

Pisidium subtruncatumW
Pisidium subtruncatum

Pisidium subtruncatum is a species of pill clam, a minute freshwater bivalve in the family Sphaeriidae.