| WebNameShort | |
| Bacteriastrum varians Hustedt 1930 |
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| Bellerochea malleus f. biangulata (H. Peragallo & M. Peragallo) Hustedt 1930 |
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| Bellerochea malleus f. tetragona (Van Heurck) Hustedt 1930 |
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| Biddulphia aurita var. obtusa (Kützing) Hustedt 1930 |
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| Biddulphia laevis var. schmidti (Forti) Hustedt 1930 |
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| Biddulphia minima Schiller in Hustedt 1930 |
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| Biddulphia rhombus f. tetragona (Schmidt in Schmidt et al.) Hustedt 1930 |
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| Biddulphia rhombus f. trigona (Cleve in Van Heurck) Hustedt 1930 |
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| Chaetoceros affinis var. circinalis (Meunier) Hustedt 1930 |
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| Chaetoceros affinis var. willei (Gran) Hustedt 1930 |
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| Chaetoceros atlanticus var. neapolitana (Schroder) Hustedt 1930 |
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| Chaetoceros atlanticus var. skeleton (sceleton) (Schutt) Hustedt 1930 |
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| Chaetoceros concavicornis f. volans (Schutt) Hustedt 1930 |
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| Chaetoceros orientalis Schiller in Hustedt 1930 |
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| Chaetoceros peruvianus (peruvianum) f. gracilis (Schroder) Hustedt 1930 |
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| Chaetoceros subsecundus (subsecundum) (Grunow in Van Heurck) Hustedt 1930 |
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| Chaetoceros vixvisibilis Schiller in Hustedt 1930 |
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| Ditylum brightwellii f. biangulata Hustedt 1930 |
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| Ditylum brightwellii f. tetragona (Grunow in Van Heurck) Hustedt 1930 |
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| Eunotiopsis monilifera (Petit) Hustedt 1930 |
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