FIGURES 28–35 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides

FIGURES 28–35. SEM micrographs of Cocconeis kurakakea: the type population on Nukutavake (sample NTV A1), raphe valve (RV) external views. Figs 28–29. RVs (raphe valves) with sigmoid raphe and multiple cingular bands. Figs 30–32. Detail of the RV central area with an asymmetric short fascia (30 arrow), and a marginal row of longer areolae (32 arrowheads). Fig. 33. Apex with the terminal raphe ending. Fig. 34. Open RV valvocopula (RVVC) without fimbriae (arrowheads), and cingulum with 4 bands (numbered). Fig. 35. RV areola hymenes with radiate slits. Scale bars = 2 μm (28–29), 1 μm (30–33), 700 nm (34), 100 nm (35).