| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Pisidium adamsi Stimpson, 1851 |
Adam peaclam | North America | |
| Pisidium amnicum (Müller, 1774) |
Greater European peaclam | East Pacific | |
| Pisidium casertanum (Poli, 1791) |
Ubiquitous peaclam | North America | |
| Pisidium compressum Prime, 1852 |
Ridgebeak peaclam | North America | |
| Pisidium conventus Clessin, 1877 |
Alpine peaclam | North America | |
| Pisidium cruciatum Sterki, 1895 |
Ornamented peaclam | North America | |
| Pisidium dubium (Say, 1817) |
Greater eastern peaclam | North America | |
| Pisidium equilaterale Prime, 1852 |
Round peaclam | East Pacific | |
| Pisidium fallax Sterki, 1896 |
River peaclam | North America | |
| Pisidium ferrugineum Prime, 1852 |
Rusty peaclam | North America | |
| Pisidium fultoni Kuiper, 1983 |
Eastern Indian Ocean | ||
| Pisidium henslowanum (Sheppard, 1825) |
Henslow peaclam | North America | |
| Pisidium idahoense Roper, 1890 |
Giant Northern peaclam | North America | |
| Pisidium insigne Gabb, 1868 |
Tiny peaclam | North America | |
| Pisidium lilljeborgi (Clessin, 1886) |
Lilljeborg peaclam | North America | |
| Pisidium milium Held, 1836 |
Quadrangular pillclam | North America | |
| Pisidium nitidum Jenyns, 1832 |
Shiny peaclam | North America | |
| Pisidium plenilunium (Melvill & Standen, 1907) |
Western Atlantic | ||
| Pisidium punctatum Sterki, 1895 |
Perforated peaclam | North America | |
| Pisidium punctiferum (Guppy, 1867) |
Striate peaclam | North America | |
| Pisidium rotundatum Prime, 1852 |
Fat peaclam | North America | |
| Pisidium sanguinichristi Taylor, 1987 |
Sangre de cristo peaclam | North America | |
| Pisidium subtruncatum Malm, 1855 |
Shortended peaclam | North America | |
| Pisidium supinum Schmidt, 1850 |
Humpbacked peaclam | North America | |
| Pisidium ultramontanum Prime, 1865 |
Montane peaclam | North America | |
| Pisidium variabile Prime, 1852 |
Triangular peaclam | North America | |
| Pisidium ventricosum Prime, 1851 |
Globular peaclam | North America | |
| Pisidium walkeri Sterki, 1895 |
Walker peaclam | North America |