"Pisidium casertanum"@en . . . . "Pisidium casertanum, the pea cockle or pea clam, is a minute freshwater bivalve mollusc of the family Sphaeriidae."@en . . . . . . "Corneocyclas aucklandica (Suter, 1907)" . "Pisidium novaezelandiae (Prime, 1862)" . . . "NE" . . "Cardium casertanum (Poli, 1791)" . .