Figs 28–36 in Two new marine species of Cocconeis (Bacillariophyceae) from the west coast of Sweden

Figs 28–36. SEM images of C. vrangoensis Al-Handal & Riaux-Gob. sp. nov. (BGBM, slide B 40 0043105). 28–29. Internal view of the SV. 30. External view of the SV. 31. Enlarged section of the marginal part of showing areola structure. 32. Areolae occluded by hymenes, internal side. 33. Radial arrangement of areolae, external side. 34. Advalvar side of the valvocopula showing shape of fimbria. 35. Abvalvar side of valvocopula. 36. Closed and strong valvocopula with fimbriae.