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| Actinoptychus senarius var. denarius (Ehrenberg) O'Meara 1875 |
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| Actinoptychus senarius var. duodenarius (Ehrenberg) O'Meara 1875 |
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| Actinoptychus senarius var. sedenarius (Ehrenberg) O'Meara 1875 |
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| Actinoptychus senarius var. vicenarius (Ehrenberg) O'Meara 1875 |
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| Brebissonia boeckii (Ehrenberg) O’Meara 1875 |
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| Coscinodiscus centralis sensu O'Meara 1875 |
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| Coscinodiscus ehrenbergii O'Meara 1875 |
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| Coscinodiscus gregorii O'Meara 1875 |
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| Coscinodiscus smithii O'Meara 1875 |
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| Denticula mutabilis (W. Smith) O'Meara 1875 |
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| Fragilaria maxima O'Meara 1875 |
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| Lysigonium westii (W. Smith) O'Meara 1875 |
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| Lysigonium wrightii (O'Meara) O'Meara 1875 |
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| Mastogloia closeii (closei) O'Meara 1875 |
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| Mastogloia convergens O'Meara 1875 |
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| Mastogloia costata O’Meara 1875 |
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| Mastogloia smithii var. capitata O’Meara 1875 |
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| Mastogloia smithii var. capitata O'Meara 1875 |
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| Navicula acuta (W. Smith) O’Meara 1875 |
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| Navicula arraniensis O’Meara 1875 |
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