Family Sphaeriidae
Sphaeriidae is a family in the order Veneroida. Browse 3 named species recorded in this family, or open an individual profile for its available identification and natural-history information.
Species in Sphaeriidae (3)

Pea Cockle
Euglesa casertana
Up to 5mm, rounded (but often quadrate in juveniles) but variable. Less tumid than other Euglesa species and often with a silky appearance. The umbo is flattened and off-centre.Best identified by examination of the cardinal teeth - part of the intern

Short-ended Pea Mussel
Euglesa subtruncata
This species is a minute freshwater bivalve. It measures 2.7 to 4 mm and is whitish to greyish in colour, with a silky, glossy sheen and a fine, irregular ribbed finish. It has an oblique shape with a prominent and rounded umbo. There are numerous, v

European fingernail clam
Sphaerium corneum
Size: 9-11 mm across. This small freshwater bivalve mollusc is broadly oval and fairly globular with a central umbo. The colour of the shell is usually a brown to grey with the juveniles being more yellow colour. The surface is silky with very fine,