Species (8)

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia hollandi Adams C.B.

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia salleana

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia palliata Adams C.B.

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia striata Lamarck

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia tamsiana

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia major Gray

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia brownei Grey

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  Metazoa Mollusca Gastropoda Neritimorpha Helicinidae Alcadia

  Alcadia rufa

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