FIGURES 27–32 in Cocconeis churalis: a new marine diatom (Bacillariophyta, Cocconeidaceae) from Japan

FIGURES 27–32: Cocconeis churalis. SEM images of cingula. Fig. 27: Valvocopula (VC), and second (S), third (T) and fourth (F) band of ARV. Fig. 28: Opposite pole. Figs 29, 30: Internal views of the terminal areas of RV and ARV with valvocopula (VC), respectively. Arrows indicate the open parts of valvocopula. Fig. 31: Valvocopula (VC) and the second band (S) with ligula (L), remaining on RV. Fig. 32: Valvocopula (VC) and second band (S) of araphid valve (ARV).