FIGURES 42–45 in Cocconeis scutellum var. parva (Bacillariophyceae) re-examination and typification

FIGURES 42–45. Cocconeis scutellum cf. var. parva (Tahiti Island). SEM. Group of specimens epiphytic on a macroalga. Figs 42–45. External view of SV areola hymenes in external view (43), internal view of specimens of the same group with RVVC (raphe valve valvocopula) fimbriae with papillae composed of cupules (44–45 arrowhead). Scale bars = 8 μm (Fig. 42), 600 nm (Fig. 44), 500 nm (Fig. 45), 300 nm (Fig. 43).