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| Actinoptychus hüttlingerianus Truan y Luard & Witt 1888 |
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| Actinoptychus wittianus Truan y Luard & Witt 1888 |
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| Actinoptychus wittianus var. hexagona Truan y Luard & Witt 1888 |
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| Actinoptychus wittianus f. typica Truan y Luard & Witt 1888 |
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| Arachnoidiscus ehrenbergii var. californicus sensu Truan & Witt 1888 |
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| Arachnoidiscus grevilleanus f. typica Truan & Witt 1888 |
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| Arachnoidiscus ornatus f. typica sensu Truan & Witt 1888 |
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| Auliscus hardmanianus var. haytiana Truan & Witt 1888 |
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| Auliscus punctatus var. robusta Truan & Witt 1888 |
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| Biddulphia antiqua Truan y Luard & Witt 1888 |
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| Biddulphia caraibica Truan y Luard & Witt 1888 |
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| Biddulphia tuomeyi var. ensifera Truan y Luard & Witt 1888 |
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| Cocconeis pellucida Truan y Luard & Witt 1888 |
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| Coscinodiscus asteroides Truan y Luard & Witt 1888 |
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| Coscinodiscus caraibicus Truan y Luard & Witt 1888 |
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| Coscinodiscus cribrosus Truan y Luard & Witt 1888 |
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| Coscinodiscus elegans var. parvipunctata Truan y Luard & Witt 1888 |
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| Coscinodiscus kinkerianus Truan y Luard & Witt 1888 |
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| Coscinodiscus lineatus var. tenera Truan y Luard & Witt 1888 |
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| Coscinodiscus naviculoides Truan y Luard & Witt 1888 |
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