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| Kingdom Animalia |
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Castrella cylindrica Riedel, 1932 – valid
|
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Castrella groenlandica Riedel, 1932 – valid
|
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Dalyellia deses Riedel, 1932 – invalid
|
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Dalyellia groenlandica Riedel, 1932 – invalid
|
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Dalyellia minima Riedel, 1932 – invalid
|
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Macrostomum anocele Riedel, 1932 – invalid
|
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Macrostomum boreale Riedel, 1932 – valid
|
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Macrostomum thermophilum Riedel, 1932 – invalid
|
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Microstomum dermophthalmum Riedel, 1932 – valid
|
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Microstomum jenseni Riedel, 1932 – valid
|
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Microstomum mortenseni Riedel, 1932 – valid
|
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Paramacrostomum Riedel, 1932 – valid
|
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Paramacrostomum tricladoides Riedel, 1932 – valid |
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