FIGURES 1–22 in Cyclotella deceusteriana, a new centric diatom species (Bacillariophyta) from the sub-Antarctic Region

FIGURES 1–22. Cyclotella deceusteriana Van de Vijver & Dessein sp. nov. Figures 1–14 taken from the Iles Kerguelen type population (sample BW424), figs 15–22 taken from the Ile de la Possession (Crozet Archipelago) population (sample BW513). Figs 1–22. LM photographs of valves in diminishing size range. Note the different number of central fultoportulae related to a decreasing valve diameter. The arrows indicate the marginal fultoportulae. Scale bar represents 10 μm.