FIGURES 44–58 in Cymatosirella Dąbek, Witkowski & Sabbe gen. nov., a new marine benthic diatom genus (Bacillariophyta) belonging to the family Cymatosiraceae

FIGURES 44–58: Cymatosirella taylorii Dąbek & Witkowski sp. nov., Langebaan Lagoon, South Africa. All images originate from the holotype slide SZCZ 17582. Figs 44–51: LM images. Scale bar = 10 µm. Figs 52–58: SEM images. Fig. 52: Frustules in girdle view with complete cingulum, girdle band perforated by one row of poroids (arrowhead). Figs 53–55: Valve face view. Note the poroids on the valve surface without occlusions and ocelluli surrounded by the rim. Fig. 55: Valve with spines (arrowhead). Fig. 56: Internal view of the valve. Fig. 57: Ocellulus in external view, composed of 8 porelli (1 central), surrounded by an unperforated rim. Fig. 58: Ocellulus in internal view, composed of 10 porelli (2 central).