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...

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...

Botswana molluscs are represented by 63 native species (13 bivalves, 24 freshwater snails, 24 land snails and two slugs) and by four introduced species:...

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...

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...

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 shell is fairly globular and can grow up to...

Ilione lineata feeds obligately on pea mussels and finger nail clams (Sphaeriidae). Fauna Europaea Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the...

molluscs in the family Sphaeriidae, the pea clams and fingernail clams. In some bivalve classification systems, the family Sphaeriidae is referred to as Pisidiidae...

of North American pill clams (Sphaeriidae: Pisidium). 1965. Malacologia, 2: 381-411 Recent Eupera (Pelecypoda; Sphaeriidae) in the United States. 1965....