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| Pseudisidora producta (Mighels, 1845) | Pseudisidora rubella (I. Lea, 1841) |
| Hawaii, USA | Hawaii, USA |
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| Floridobia winkleyi (Pilsbry, 1912) | Pila species |
| Maine, USA | India |
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| Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn | Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn |
| Florida, USA | Brasil |
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Planorbella truncata (M. Miles, 1861) Druid Rams-horn |
Biomphalaria havanensis (L. Pfeiffer, 1839) Ghost Rams-horn |
| Wisconsin, USA | Texas, USA |
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Tiphobia horei E. A. Smith, 1880 |
Neritina granosa G. B. Sowerby I, 1825 |
| Burundi, Africa | Hawaii, USA |
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Neritina latissima Broderip, 1833 |
Planorbella pilsbryi (F. C. Baker, 1926) File Rams-horn |
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Panama |
Wisconsin, USA |
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Lymnaea atkaensis Dall, 1884 Frigid Lymnaea |
Lymnaea stagnalis Linnaeus, 1758 Swamp Lymnaea |
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Alaska, USA |
Ontario, Canada |
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Pyrgulopsis nevadensis (Stearns, 1883) Corded Pyrg |
Lanx subrotunda (Tyron,1856) Rotund Lanx |
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Nevada, USA |
California, USA |
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| Helisoma newberryi (I. Lea, 1858) Great Basin Rams-horn | |
| California, USA | |
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