FIGURES 1–22 in Orthoseira groenlandica sp. nov., a new aerophilic diatom (Orthoseirales, Bacillariophyta) species from Greenland

FIGURES 1–22. Orthoseira groenlandica Goeyers, Kochman-Kędziora & Van de Vijver, sp. nov. LM pictures taken from the holotype material (BR-2801, Qeqertarsuaq, Greenland, sample DM27). 1–6. Solitary frustules in girdle view. 7–22. LM pictures of valves in valve face view showing the rather constant number of carinoportulae and the irregularly spaced marginal spines. Figure 10 represents a teratological valve. Scale bar = 10 µm.