| WebNameShort | |
| Amphora splendida Rivera 1974 |
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| Cyclotella stelligera var. major Rivera 1974 |
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| Cymbella hauckii var. chilensis Rivera 1974 |
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| Cymbella tumida f. rostrata Rivera 1974 |
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| Frustulia patrickii Rivera 1974 |
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| Gyrosigma eximoides Rivera 1974 |
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| Hantzschia amphioxys var. chilensis Rivera 1974 |
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| Pinnularia brevicostata f. cuneata Rivera 1974 |
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| Pinnularia pinedana Rivera 1974 |
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| Pinnularia pinedana var. attenuata Rivera 1974 |
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| Pinnularia tropica var. densestriata Rivera 1974 |
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| Stauroneis turfosa var. reimeri Rivera 1974 |
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