| WebNameShort | |
| Pseudonitzschia fossilis var. ovalis Frenguelli 1949 |
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| Rhaphoneis (Raphoneis) tiltilensis Frenguelli 1949 |
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| Stephanopyxis furcata (Grove ex Rattray) Frenguelli 1949 |
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| Stephanopyxis megastoma Frenguelli 1949 |
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| Stephanopyxis porteri Frenguelli 1949 |
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| Stephanopyxis tiltilensis Frenguelli 1949 |
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| Trachyneis hungarica (Pantocsek) Frenguelli 1949 |
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| Triceratium andetiluvianum var. temperei Frenguelli 1949 |
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| Tryblionella tiltilensis Frenguelli 1949 |
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