FIGURES 62–67 in Cymbelloid diatoms from the River Adegoy, Krasnodar Territory, Russia, with a description of a new species Delicatophycus porosus sp. nov. (Cymbellaceae, Bacillariophyta)

FIGURES 62–67. Delicatophycus porosus sp. nov. SEM, type material, sample MW-D 501. External valve surface. 62–64. Entire valve. 65–67. Details of Fig. 62, note central area slightly widened dorsally (65); small notch on the dorsal side of each terminal fissure (66–67, white arrows); APFs divided by terminal fissures into two unequal sections, dorsal (66–67, white arrowheads) much smaller than ventral (66–67, black arrowheads). Scale bars = 5 µm (Figs 62–63), 2 µm (Fig. 64), 1 µm (Figs 65–67).