FIGURES 9 in Marine Achnanthales (Bacillariophyceae) from New Caledonia (Melanesia): assemblage specificities, ultramafic environment

FIGURES 9–. Cocconeis pseudodiruptoides Foged. SEM (New Caledonia, Melanesia). SV hemi-fascia (external view 9, arrow) and slightly sigmoid sternum (9 and 11), complex loculate SV areolae (external views 10 and 11, arrow; internal view 12, arrowhead), RV with a strongly curved raphe ending (external view 14, arrowhead), RV areolae marginal short slits (external view 13, arrowhead), RV apex (external view 15). Scale bars = 3 µm (9, 11, 14), 2 µm (12), 1 µm (15), 500 nm (10), 300 nm (13).