Species (7)

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia claustralis

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia columella

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia costulata

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia striata

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia edentula

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia nervosa

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  Metazoa Mollusca Gastropoda Pulmonata Vertiginidae Isthmia

  Isthmia minutissima Hartmann

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