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Micrographs of (A) Pseudonitzschia spp.; (B) Thalassiosira sp. with dividing cells; (C) Thalassiosira sp.; (D) Thalassiosira rotula; (E) Pseudonitzschia sp.; (F) Asterionellopsis glacialis; (G) Cylindrotheca closterium dividing cells; (H) unknown chain forming centric diatom; (I) Cylindrotheca closterium; (J) Thalassionema sp. with Thalassiosira sp.
