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Spirodiscus flexuosa (Ehrenberg) Woodhead & Tweed 1960 |
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Frustulia suspecta (Frenguelli) Woodhead & Tweed 1960 |
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Frustulia suspecta var. obtusa (Frenguelli) Woodhead & Tweed 1960 |
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Stauroneis merrimacensis f. gracilior (Otto Müller) Woodhead & Tweed 1960 |
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Stauroneis merrimacensis f. obtusa (Otto Müller) Woodhead & Tweed 1960 |
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Achnanthes jacksonii Woodhead & Tweed 1960 |
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Achnanthes pusilla Woodhead & Tweed 1960 |
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Campylosira cymbelliformis var. producta Woodhead & Tweed 1960 |
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Cocconeis disculus f. multistriata Woodhead & Tweed 1960 |
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Coscinodiscus decrescens f. minor Woodhead & Tweed 1960 |
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Cymbella punctata Woodhead & Tweed 1960 |
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Eunotia lineolata f. minor Woodhead & Tweed 1960 |
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Eunotia margaritata Woodhead & Tweed 1960 |
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Fragilaria leptostauron var. stauroneiformis Woodhead & Tweed 1960 |
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Gomphocymbella sierraleonensis (sierra-leonensis) Woodhead & Tweed 1960 |
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Hemiaulus longispinosus Woodhead & Tweed 1960 |
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Navicula kaikonkiensis Woodhead & Tweed 1960 |
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Navicula kolentiensis Woodhead & Tweed 1960 |
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Neidium kozlowi (koslowi, koslowii) var. sierraleonensis Woodhead & Tweed 1960 |
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Nitzschia kaikonkiensis Woodhead & Tweed 1960 |
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Nitzschia ralfsii Woodhead & Tweed 1960 |
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Nitzschia sierraleonensis (sierra-leonensis) Woodhead & Tweed 1960 |
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Pinnularia van heurckii Woodhead & Tweed 1960 |
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Plagiogramma rokupriense Woodhead & Tweed 1960 |
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Sceptroneis australis var. rokuprensis (rokupriensis) Woodhead & Tweed 1960 |
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Stauroneis merrimacensis Woodhead & Tweed 1960 |
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Stauroneis merrimacensis var. intermedia Woodhead & Tweed 1960 |
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Surirella engleri f. minor Woodhead & Tweed 1960 |
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Surirella rokuprensis Woodhead & Tweed 1960 |
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Surirella rudis f. constricta Woodhead & Tweed 1960 |
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Surirella rudis var. sierraleonensis (sierra-leonensis) Woodhead & Tweed 1960 |
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Surirella tenella var. constricta Woodhead & Tweed 1960 |
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Surirella (Suriraya) asperrima f. rokuprensis Woodhead & Tweed 1960 |
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Thalassiothrix africana Woodhead & Tweed 1960 |
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Trachyneis aspera var. parallela Woodhead & Tweed 1960 |
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Triceratium favus f. parvum Woodhead & Tweed 1960 |
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