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45 mollusk species in Isle Royale National Park
Pyganodon grandis
Lymnaea stagnalis
Lampsilis siliquoidea
Pyganodon cataracta
Ladislavella catascopium
Marstonia lustrica
Arion subfuscus
Ladislavella elodes
Physella gyrina
Zonitoides arboreus
Helisoma anceps
Anguispira alternata
Campeloma decisum
Euconulus chersinus
Neohelix albolabris
Oxyloma retusum
Striatura milium
Strophitus undulatus
Novisuccinea ovalis
Oxychilus cellarius
Physa vernalis
Pisidium idahoense
Punctum pygmaeum
Pyganodon lacustris
Sibirenauta elongata
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