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| Kingdom Animalia |
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Aktedrilus Knöllner, 1935 – valid
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Aktedrilus monospermathecus Knöllner, 1935 – valid
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Cernosvitoviella immota (Knöllner, 1935) – valid
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Grania postclitellochaeta (Knöllner, 1935) – valid
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Marionina postclitellochaeta (Knöllner, 1935) – invalid
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Marionina subterranea (Knöllner, 1935) – valid
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Phallodrilus monospermathecus (Knöllner, 1935) – invalid
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Rhyacodrilus prostratus Knöllner, 1935 – invalid
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Spiridion Knöllner, 1935 – valid
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Spiridion insigne Knöllner, 1935 – valid
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Thalassodrilus prostratus (Knöllner, 1935) – valid |
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