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| Kingdom Animalia |
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Amphiascella Lang, 1944 -- invalid |
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Bulbamphiascus Lang, 1944 -- valid |
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Canuellidae Lang, 1944 -- valid |
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Dactylopodamphiascopsis Lang, 1944 -- valid |
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Halectinosoma Lang, 1944 -- valid |
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Normanellidae Lang, 1944 -- valid |
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Paramesochridae Lang, 1944 -- valid |
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Pararobertsonia Lang, 1944 -- valid |
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Paronychocamptus Lang, 1944 -- valid |
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Tetragonicipitidae Lang, 1944 -- valid |
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Thompsonulidae Lang, 1944 -- valid |
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