FIGURES 75–80 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 75–80: Lyrella hennedyi. Figs 75–77: Valve view, LM, scale bar = 10 µm. Fig. 78: Internal view, note the relatively narrow elevated, structureless lyrate lateral areas being relief-like, elevated above internal valve surface with dispersed areolae, SEM, scale bar = 7 µm. Specimens from the Black Sea (Laspi Bay, Vitino coast, Phyllophorae Field, Dvujakornaya Bay). Fig. 79: Navicula hennedyi, specimen from BM 23529; scale bar = 10 µm. Fig. 80: photograph of the type slide BM 23529.