Species (4)

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  Metazoa Mollusca Gastropoda Neritimorpha Neritidae Neritniae Theodoxus

  Theodoxus transversalis Pfeiffer C. 1828

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  Metazoa Mollusca Gastropoda Neritimorpha Neritidae Neritniae Theodoxus

  Theodoxus danubialis Pfeiffer 1828

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• 

  Metazoa Mollusca Gastropoda Neritimorpha Neritidae Neritniae Theodoxus

  Theodoxus fluviatilis Linnaeus 1758

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  Metazoa Mollusca Gastropoda Neritimorpha Neritidae Neritniae Theodoxus

  Theodoxus fluviatilis Linnaeus 1758 ssp. littoralis

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