Fryxell, G.A. (1975). Three new species of Thalassiosira, with observations on the occluded process, a newly observed structure of diatom valves. Beihefte Nova Hedwigia 53: 57-82.
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Fryxell, G. A.
1975
Three new species of Thalassiosira, with observations on the occluded process, a newly observed structure of diatom valves