| WebNameShort | |
| Achnanthes araucaniana Frenguelli 1934 |
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| Amphora araucaniana Frenguelli 1934 |
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| Amphora eunotia var. striolata Frenguelli 1934 |
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| Amphora frenguellii Forti in Frenguelli 1934 |
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| Amphora minuscula Frenguelli 1934 |
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| Amphora sculpta Frenguelli 1934 |
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| Amphora subrobusta var. pliocenica Frenguelli 1934 |
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| Anomoeoneis polygramma var. pannonica (Grunow) Frenguelli 1934 |
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| Anomoeoneis rostrata (Otto Müller) Frenguelli 1934 |
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| Anomoeoneis sphaerophora var. angusta Frenguelli 1934 |
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| Caloneis formosa var. major Frenguelli 1934 |
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| Caloneis mendosina Frenguelli 1934 |
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| Caloneis mendosina var. minor Frenguelli 1934 |
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| Denticula elegans var. pliocenica Frenguelli 1934 |
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| Diploneis hannai Frenguelli 1934 |
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| Gomphonema candelariae var. lanceolata Frenguelli 1934 |
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| Gomphonema gallaudi var. araucaniana Frenguelli 1934 |
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| Grunowia denticula var. pliocenica Frenguelli 1934 |
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| Grunowia (Grunovia) denticula var. pliocenica Frenguelli 1934 |
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| Hantzschia araucaniana Frenguelli 1934 |
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