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| Kingdom Animalia |
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Gigantocypris agassizii G. W. Müller, 1895 -- valid |
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Metaconchoecia Kock, 1992 -- valid |
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Metaconchoecia Granata and Caporiacco, 1949 -- invalid |
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Metaconchoecia abyssalis (Rudjakov, 1962) -- valid |
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Metaconchoecia acuta (Gooday, 1981) -- valid |
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Metaconchoecia arcuata (Deevey, 1978) -- valid |
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Metaconchoecia australis (Gooday, 1981) -- valid |
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Metaconchoecia bathyrotundata Chavtur, 1977 -- valid |
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Metaconchoecia discoveryi (Gooday, 1981) -- valid |
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Metaconchoecia fowleri (Gooday, 1981) -- valid |
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Metaconchoecia glandulosa (G. W. Müller, 1906) -- valid |
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Metaconchoecia goodayi (Chavtur, 1987) -- valid |
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Metaconchoecia inflata (Gooday, 1981) -- valid |
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Metaconchoecia isocheira (G. W. Müller, 1906) -- valid |
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Metaconchoecia lunata (Deevey, 1982) -- valid |
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Metaconchoecia obtusa (Gooday, 1981) -- valid |
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Metaconchoecia subinflata (Gooday, 1981) -- valid |
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Metaconchoecia wolferi (Gooday, 1981) -- valid |
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Proceroecia Kock, 1992 -- valid |
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Proceroecia brachyaskos (G. W. Müller, 1906) -- valid |
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Proceroecia convexa (Deevey, 1977) -- valid |
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Proceroecia macroprocera (Angel, 1971) -- valid |
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Proceroecia microprocera (Angel, 1971) -- valid |
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Proceroecia procera (G. W. Müller, 1894) -- valid |
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Proceroecia vitjazi (Rudjakov, 1962) -- valid |
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