FIGURES 29–35 in Cocconeis tortilis: a new marine diatom (Bacillariophyta, Cocconeidaceae) from Japan

FIGURES 29–35: Cocconeis tortilis, SEM (29–31, 33–35) and LM (32), cingula. Fig. 29: Valvocopula (VC), and the second (S) and the third (T) bands of ARV. Fig. 30: Opposite pole. Arrows indicate the disorder of arrangement of striae. Figs 31, 33: Internal views of the poles of RV and ARV with valvocopula (VC), respectively. Arrows indicate the open parts of valvocopula. Fig. 32: Valvocopula of ARV. Arrow indicates the open part of valvocopula. Figs 34, 35: Open parts (arrows) of each band of ARV. Note that the sternum is inclined from the apical axis (dashed line).