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| Kingdom Animalia |
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Aeglia Swainson, 1840 -- invalid |
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Brachidontes Swainson, 1840 -- valid |
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Calceola Swainson, 1840 -- invalid |
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Calceola angulata Swainson, 1840 -- invalid |
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Calliostoma Swainson, 1840 -- valid |
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Calliscapha Swainson, 1840 -- invalid |
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Canthyria Swainson, 1840 -- invalid |
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Castalia cordata Swainson, 1840 -- valid |
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Castalia picta Swainson, 1840 -- invalid |
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Cecilioides aperta (Swainson, 1840) -- valid -- obtuse awlsnail |
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Cecilioides apertus (Swainson, 1840) -- valid -- obtuse awlsnail |
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Cerithidea Swainson, 1840 -- valid |
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Cerithidea californica californica Swainson, 1840 -- valid |
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Chrysostoma Swainson, 1840 -- valid |
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Columbellidae Swainson, 1840 -- valid |
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Complanaria Swainson, 1840 -- invalid |
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Complanaria gigas Swainson, 1840 -- invalid |
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Crassispira Swainson, 1840 -- valid |
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Cunicula Swainson, 1840 -- invalid |
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Cyclotus Swainson, 1840 -- valid |
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Elysia ornata (Swainson, 1840) -- valid -- ornate elysia |
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Fusininae Swainson, 1840 -- invalid |
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Gastropteridae Swainson, 1840 -- valid |
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Gibberula Swainson, 1840 -- valid |
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Helisoma Swainson, 1840 -- valid |
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Hemitoma Swainson, 1840 -- valid |
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Hemitrochus Swainson, 1840 -- valid |
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Hyridella Swainson, 1840 -- valid |
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Hyriidae Swainson, 1840 -- valid |
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Hyriinae Swainson, 1840 -- valid |
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Hyriini Swainson, 1840 -- valid |
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Hyrioidea Swainson, 1840 -- valid |
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Iridea Swainson, 1840 -- invalid |
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Iridinidae Swainson, 1840 -- valid |
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Iridininae Swainson, 1840 -- valid |
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Laevicardium Swainson, 1840 -- valid |
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Lamproscapha Swainson, 1840 -- valid |
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Latiaxis Swainson, 1840 -- valid |
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Ligumia Swainson, 1840 -- valid |
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Lucidella Swainson, 1840 -- valid |
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Megadomus Swainson, 1840 -- invalid |
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Megalomastoma Swainson, 1840 -- valid |
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Monilea Swainson, 1840 -- valid |
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Muricanthus Swainson, 1840 -- invalid |
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Mutelidae Swainson, 1840 -- invalid |
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Mysca corrugata Swainson, 1840 -- invalid |
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Naia Swainson, 1840 -- invalid |
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Naidea Swainson, 1840 -- invalid |
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Nitidella Swainson, 1840 -- valid |
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Papyridea Swainson, 1840 -- valid |
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Patularia Swainson, 1840 -- invalid |
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Pedicularia Swainson, 1840 -- valid |
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Phasianellidae Swainson, 1840 -- valid |
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Pleurotomariidae Swainson, 1840 -- valid |
| |
Pleurotomarioidea Swainson, 1840 -- valid |
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Potamida sicula Swainson, 1840 -- invalid |
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Potomida Swainson, 1840 -- valid |
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Pseudolivia Swainson, 1840 -- valid |
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Theliderma Swainson, 1840 -- valid |
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Thelidomus Swainson, 1840 -- invalid |
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Trochidon Swainson, 1840 -- invalid |
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Unio pustulata Swainson, 1840 -- invalid |
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Uniopsis Swainson, 1840 -- invalid |
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Uniopsis mytiloides Swainson, 1840 -- invalid |
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