Aquatic Invertebrates of Montana

Bivalvia (Pelecypoda)

A summary of this list can be found here.

Family Unionidae

• Lampsilis siliquoidea (Barnes)
• Lasmigona complanata (Barns)
• Ligumia recta (Lamarck)
• Margaritifera falcata (Gould)
• Pyganodon grandis (Say)

Family Sphaeriidae

• Musculium lacustre (Muller)
• Musculium partumeium (Say)
• Musculium securis (Prime)
• Musculium transversum (Say)
• Pisidium adammsi Stimpson
• Pisidium casertanum (Poli)
• Pisidium compressum Prime
• Pisidium conventus Clessin
• Pisidium fallax Sterki
• Pisidium ferrugineum Prime
• Pisidium idahoense Roper
• Pisidium insigne Gabb
• Pisidium lilljeborgi Esmark & Hoyer
• Pisidium milium Held
• Pisidium nitidum Jenyns
• Pisidium subtruncatum Malm
• Pisidium variabile Prime
• Pisidium ventricosum Prime
• Pisidium walkeri Sterki
• Sphaerium striatium (Lamarck)
• Sphaerium nitidum Westerlund
• Sphaerium simile (Say)