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Polyzoa from West Africa, notes on the genera Hippoporina Neviani, Hippoporella Canu, Cleidochasnia Harmer and Hippoporidra Canu & Bassler (Cheilostomata, Ascophora)
Volume 12, Page 1
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Freshwater gastropod Mollusca from Ethiopia
Volume 12, Page 37
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A critical review of the marine nematode genus Euchromadora deMan, 1886
Volume 12, Page 159
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The feeding mechanisms and the preferred foods of three species of Pycnogonida
Volume 12, Page 195
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The feeding mechanisms and preferred foods of three species of Pycnogonida
Volume 12, Page 197
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A review of the elopoid and clupeoid fishes of the Red sea and adjacent regions
Volume 12, Page 225
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Acanthodrilidae and Eudrilidae (Oligochaeta) from Ghana
Volume 12, Page 283
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Acanthodrilidae and Eudrilidae (Oligochaeta) from Ghana
Volume 12, Page 285