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anson mackay: Cratiportula inconspicua
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anson mackay: Aulacoseira baicalensis
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anson mackay: Aulacoseria baicalensis
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anson mackay: Aulacoseira skvortzowii
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anson mackay: Cocconeis neodiminuta
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anson mackay: Stephanodiscus cf. flabellatus
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anson mackay: Cyclotella baicalensis
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anson mackay: Stephanodiscus hantzschia
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anson mackay: Stephanodiscus parvus