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| Kingdom Animalia |
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Holsingeria Hershler, 1989 – valid
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Holsingeria unthanksensis Hershler, 1989 – valid – Thankless Ghostsnail
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Ipnobius robustus (Hershler, 1989) – valid – Robust Tryonia
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Pyrgulopsis aardahli Hershler, 1989 – valid – Benton Valley Springsnail
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Pyrgulopsis amargosae Hershler, 1989 – valid – Amargosa Springsnail
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Pyrgulopsis owensensis Hershler, 1989 – valid – Owens Valley Springsnail
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Pyrgulopsis perturbata Hershler, 1989 – valid – Fish Slough Springsnail
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Pyrgulopsis wongi Hershler, 1989 – valid – Wong's Pyrg
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Tryonia margae Hershler, 1989 – valid – Grapevine Springs Elongate Tryonia
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Tryonia robusta Hershler, 1989 – invalid
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Tryonia rowlandsi Hershler, 1989 – valid – Grapevine Springs Squat Tryonia
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Tryonia salina Hershler, 1989 – valid – Cottonball Marsh Tryonia |
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