| WebNameShort | |
| Caloneis maxima var. bicuneata (Grunow) Amossé 1924 |
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| Campylodiscus biangulatus var. intermedia Amossé 1924 |
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| Campylodiscus notatus f. minor Amossé 1924 |
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| Cerataulus labuensis var. linearis Amossé 1924 |
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| Dimeregramma (Dimerogramma) ceylanica var. elliptica Amossé 1924 |
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| Diploneis beyrichiana (Schmidt in Schmidt et al.) Amossé 1924 |
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| Diploneis smithii var. major (Cleve) Amossé 1924 |
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| Eupodiscus parvulus Amossé 1924 |
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| Navicula clavata var. venustoides (Mereschkowsky) Amossé 1924 |
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| Navicula robertsiana (robertsoniana) var. abnormis (Grunow in Schmidt et al.) Amossé 1924 |
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| Navicula robertsiana (robertsoniana) var. cuneata (Schmidt in Schmidt et al.) Amossé 1924 |
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| Navicula robertsiana (robertsoniana) var. recta Amossé 1924 |
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| Nitzschia granulata var. hyalina Amossé 1924 |
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| Nitzschia nicobarica var. alata (Leuduger-Fortmorel) Amossé 1924 |
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| Plagiogramma zanzibaricum Amossé 1924 |
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| Triceratium megastomum f. quadrata Amossé 1924 |
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| Tropidoneis lepidoptera (Gregory) Amossé 1924 |
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