| WebNameShort | |
| Navicula praetexta f. minor Forti 1910 |
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| Stauroneis heideni Forti 1910 |
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| Stephanogonia actinoptychus var. polyacantha Forti 1910 |
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| Stephanopyxis pediastriformis Forti 1910 |
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| Stictodiscus californicus f. minor Forti 1910 |
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| Stictodiscus johnsonianus f. trigona Forti 1910 |
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| Surirella muelleri Forti 1910 |
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| Synedra oxyrhynchus var. mediocontracta Forti 1910 |
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| Triceratium distinctum var. quadrata Forti 1910 |
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| Triceratium grande var. quadrangularis Forti 1910 |
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| Triceratium nancoorense (nankoorense) var. italica Forti 1910 |
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| Triceratium pentacrinus var. quadrata Forti 1910 |
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| Triceratium secedens var. quadrata Forti 1910 |
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| Triceratium stokesianum (stockesianum) f. parvula Forti 1910 |
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| Triceratium suborbiculare (suborbicularis) var. latilimba Forti 1910 |
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| Triceratium suborbiculare (suborbicularis) var. subcyclica Forti 1910 |
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| Triceratium trisulcum var. acutiloba Forti 1910 |
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| Triceratium weissii (weissei) var. spinosa Forti 1910 |
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| Xanthiopyxis diaphana Forti 1910 |
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| Xanthiopyxis lacera Forti 1910 |
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