| WebNameShort | |
| Amphora acutissima Giffen 1980 |
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| Amphora caroliniana Giffen 1980 |
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| Amphora pestilenta Giffen 1980 |
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| Amphora scopulorum Giffen 1980 |
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| Amphora vaughanii Giffen 1980 |
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| Cocconeis quarnerensis f. rhombica Giffen 1980 |
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| Coscinodiscus granulosus f. seychellensis Giffen 1980 |
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| Cyclotella pravissima Giffen 1980 |
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| Cymatoneis sulcata f. maheensis Giffen 1980 |
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| Haslea howeana (Hagelstein) Giffen 1980 |
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| Haslea nautica (Cholnoky) Giffen 1980 |
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| Mastogloia binotata f. cuneata Giffen 1980 |
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| Navicula besarensis Giffen 1980 |
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| Navicula capillata Giffen 1980 |
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| Navicula lucenoides Giffen 1980 |
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| Nitzschia percuriosa Giffen 1980 |
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| Nitzschia pulchriora Giffen 1980 |
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| Oestrupia witti (Grunow) Giffen 1980 |
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| Okedenia inflexa f. capitata Giffen 1980 |
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| Opephora anomala Giffen 1980 |
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