FIGURE 2–10 in The epizoic marine diatom Sceptronema orientale (Licmophoraceae, Licmophorales): epitypification and emendation of specific and generic descriptions

FIGURE 2–10. Sceptronema orientale. LM. Figs 2–7. Sample LPC 11650. Figs 2–4. Several live colonies on Euterpina acutifrons. Figs 5–7. Details of these colonies. Fig. 5. Cells with one chloroplast, attached by mucilaginous stalks. Arrowheads show short septa. Fig. 6. Cells in valvar view with the head-pole attaching by a mucilaginous pad to the head-pole of the adjacent cell of the colony. Fig. 7. Cells in girdle view. Arrowheads show septa. Figs 8–10. Slide LPC 11650 (1), cleaned material, epitype here designated. Fig. 8. Complete frustule. Figs 9–10. Valves with girdle bands. Note the central, straight sternum. Scale bars: Fig. 2 = 100 µm; Fig. 3 = 50 µm; Figs 4, 6–7 = 20 µm; Figs 5, 8 = 10 µm; Figs 9–10 = 5 µm.