NARMS Taxon list
Ancylus drouetianus Bourguignat, 1853 accepted as Williamia gussoni (O. G. Costa, 1829)
Ancylus gibbosus (Bourguignat, 1862) accepted as Williamia gussoni (O. G. Costa, 1829)
Ancylus gussoni O. G. Costa, 1829 accepted as Williamia gussoni (O. G. Costa, 1829)
Gyraulus deflectus (Say, 1824)
Helisoma anceps (Menke, 1830)
Helisoma campanulatum (Say, 1821) accepted as Planorbella campanulata (Say, 1821)
Ladislavella arctica (I. Lea, 1864)
Ladislavella catascopium (Say, 1817)
Lymnaea arctica I. Lea, 1864 accepted as Ladislavella arctica (I. Lea, 1864)
Lymnaea palustris (O. F. Müller, 1774) accepted as Stagnicola palustris (O. F. Müller, 1774)
Lymnaea peregra (O. F. Müller, 1774) accepted as Radix peregra (O. F. Müller, 1774) accepted as Peregriana peregra (O. F. Müller, 1774)
Lymnaea stagnalis (Linnaeus, 1758)
Peregriana labiata (Rossmässler, 1835) (uncertain > taxon inquirendum )
Peregriana peregra (O. F. Müller, 1774)
Physa acuta Draparnaud, 1805 accepted as Physella acuta (Draparnaud, 1805)
Physa ancillaria Say, 1825 accepted as Physella ancillaria (Say, 1825) accepted as Physella gyrina (Say, 1821)
Physella acuta (Draparnaud, 1805)
Physella ancillaria (Say, 1825) accepted as Physella gyrina (Say, 1821)
Physella gyrina (Say, 1821)
Planorbella campanulata (Say, 1821)
Planorbis (Planorbis) planorbis (Linnaeus, 1758) represented as Planorbis planorbis (Linnaeus, 1758)
Planorbis planorbis (Linnaeus, 1758)
Radix auricularia (Linnaeus, 1758)
Radix labiata (Rossmässler, 1835) accepted as Peregriana labiata (Rossmässler, 1835)
Radix peregra (O. F. Müller, 1774) accepted as Peregriana peregra (O. F. Müller, 1774)
Stagnicola arctica (I. Lea, 1864) accepted as Ladislavella arctica (I. Lea, 1864)
Stagnicola catascopium (Say, 1817) accepted as Ladislavella catascopium (Say, 1817)
Stagnicola palustris (O. F. Müller, 1774)