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| Kingdom Animalia |
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Anomalocranchia Robson, 1924 – invalid
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Anomalocranchia impennis Robson, 1924 – invalid
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Ascocranchia Voss, 1962 – invalid
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Ascocranchia joubini Voss, 1962 – invalid
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Cranchia Leach, 1817 – valid
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Cranchia (Owenia) Prosch, 1847 – invalid
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Cranchia armata (Joubin, 1898) – invalid
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Cranchia bonnellii Férussac, 1834 – invalid
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Cranchia hispida Pfeffer, 1884 – invalid
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Cranchia maculata Leach, 1817 – invalid
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Cranchia megalops Prosch, 1847 – invalid
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Cranchia minima D'Orbigny, 1835 in Férussac and D'Orbigny, 1834-1848 – invalid
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Cranchia scabra Leach, 1817 – valid
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Cranchia tenuitentaculata Pfeffer, 1884 – invalid
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Cranchiaeformes Steenstrup, 1861 – invalid
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Fusocranchia Joubin, 1920 – invalid
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Fusocranchia alpha Joubin, 1920 – invalid
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Helicocranchia Massy, 1907 – valid
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Helicocranchia beebei Robson, 1948 – invalid
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Helicocranchia fisheri Berry, 1909 – invalid
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Helicocranchia joubini (Voss, 1962) – valid
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Helicocranchia papillata (Voss, 1960) – valid
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Helicocranchia pfefferi Massy, 1907 – valid
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Leucocranchia Joubin, 1912 – invalid
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Leucocranchia pfefferi Joubin, 1912 – invalid
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Liocranchia Pfeffer, 1884 – valid
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Liocranchia brockii Pfeffer, 1884 – invalid
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Liocranchia elongata Issel, 1908 – invalid
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Liocranchia gardineri Robson, 1921 – valid
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Liocranchia intermedia Robson, 1924 – invalid
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Liocranchia reinhardti (Steenstrup, 1856) – valid
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Liocranchia valdiviae Chun, 1910 – valid
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Megalocranchia Pfeffer, 1884 – valid
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Megalocranchia abyssicola (Goodrich, 1896) – valid
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Megalocranchia maxima Pfeffer, 1884 – valid
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Megalocranchia megalops australis Voss, 1967 – invalid
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Megalocranchia oceanica (Voss, 1960) – valid
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Megalocranchia papillata Voss, 1960 – invalid
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Megalocranchia pardus Berry, 1916 – invalid
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Megalocranchia richardsoni Dell, 1959 – invalid |
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