Species List

Ubiquitous Pea Clam

Scientific Name: Euglesa casertana (Pisidium casertanum)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Ridged-Beak Pea Clam

Scientific Name: Euglesa compressa (Pisidium compressum)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Arctic-Alpine Pea Clam

Scientific Name: Euglesa conventus (Pisidium conventus)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Lilljeborg's Pea Clam

Scientific Name: Euglesa lilljeborgii (Pisidium lilljeborgi)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Short-ended Pea Clam

Scientific Name: Euglesa subtruncata (Pisidium subtruncatum)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Fat Mucket

Scientific Name: Lampsilis siliquoidea (Lampsilis radiata luteola)
ELCODE: IMBIV21280
Group: Mollusc (Freshwater Bivalve)
Order: Unionoida
Family: Unionidae
Rank: Secure

Lake Fingernail Clam

Scientific Name: Musculium lacustre (Sphaerium lacustre)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Swamp Fingernail Clam

Scientific Name: Musculium partumeium (Sphaerium partumeium)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

Pond Fingernail Clam

Scientific Name: Musculium securis (Sphaerium securis)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

Long Fingernail Clam

Scientific Name: Musculium transversum (Sphaerium transversum)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

River Pea Clam

Scientific Name: Pisidium fallax
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

Rusty Pea Clam

Scientific Name: Pisidium ferrugineum
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Giant Northern Pea Clam

Scientific Name: Pisidium idahoense
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Quadrangular Pill Clam

Scientific Name: Pisidium milium
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

Shiny Pea Clam

Scientific Name: Pisidium nitidum
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Fat Pea Clam

Scientific Name: Pisidium rotundatum (Pisidium ventricosum)
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

Triangular Pea Clam

Scientific Name: Pisidium variabile
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Globular Pea Clam

Scientific Name: Pisidium ventricosum
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Walker's Pea Clam

Scientific Name: Pisidium walkeri
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Undetermined

Giant Northern Floater

Scientific Name: Pyganodon grandis (Anodonta grandis simpsoniana; A
ELCODE: IMBIV54030
Group: Mollusc (Freshwater Bivalve)
Order: Unionoida
Family: Unionidae
Rank: Undetermined

Arctic Fingernail Clam

Scientific Name: Sphaerium nitidum
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure

Striated Fingernail Clam

Scientific Name: Sphaerium striatinum
Group: Mollusc (Freshwater Bivalve)
Order: Veneroida
Family: Sphaeriidae
Rank: Secure