FIGURES 1–10 in Encyonema oblonga (Bacillariophyta, Cymbellaceae), a new species from Shanxi Province, China

FIGURES 1–10. Encyonema oblonga sp. nov. LM. Size diminution series of specimens from the holotype slide. Valve views. Scale bar = 10 µm. FIGURES 11–13. Encyonema oblonga, sp. nov. SEM. External views. Fig. 11. Whole valve, showing slit-like areolae without occlusions extending from valve face onto the mantle. Raphe is arched, with dilated proximal ends deflected dorsally, and distal ends hooking onto the ventral margin. Fig. 12. Apex, showing hooked nature of the distal raphe end. Fig. 13. Central area of the valve with dilated proximal raphe ends terminating close to one another.