Species (5)

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  Protista Ciliophora Oligohymenophorea Scuticociliatida Cyclidiidae Protocyclidium

  Protocyclidium muscicola Kahl 1931

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  Protista Ciliophora Oligohymenophorea Scuticociliatida Cyclidiidae Protocyclidium

  Protocyclidium terricola Kahl 1931

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  Protista Ciliophora Oligohymenophorea Scuticociliatida Cyclidiidae Protocyclidium

  Protocyclidium terrenum Alekperov 1993

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  Protista Ciliophora Hymenostomata Scuticociliatida Cyclidiidae Protocyclidium

  Protocyclidium citrullus Cohn 1866

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  Protista Ciliophora Hymenostomata Scuticociliatida Cyclidiidae Protocyclidium

  Protocyclidium sphagnetorum Sramek-Husek 1949

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