FIGURES 59–64 in Surirella arctica comb. et stat. nov. (Bacillariophyta)-a rare arctic diatom

• Main Authors: Veselá, Jana, Potapova, Marina
• Format: Other/Unknown Material
• Language: unknown
• Published: 2014
• Subjects: Biodiversity; Taxonomy; Arctic
• Online Access: https://zenodo.org/record/5138481; https://doi.org/10.5281/zenodo.5138481

FIGURES 59–64. Surirella arctica, girdle views. SEM. The pairs of Figs 59–60, 61–62 and 63–64 each represent one of the observed specimens—a complete frustule on the left and a close-up detail on the right; Figs 59–60 show the same specimen as in 43–46, although rotated and tilted. Figs 59, 63 Whole frustules. Fig. 60 Detail of the cingulum showing an open girdle band, and a ligula. Fig. 61 Frustule with an open girdle band. Fig. 62 Valve apex showing the raphe on a keel. Fig. 64 Frustule apex in girdle view showing mantle partially covered by a thin siliceous lamella along the valve edge, the raphe slits and the ornamented girdle bands. Scale bars = 10 µm (in Figs 59, 61, 63) or 1 µm (in Figs 60, 62, 64). Published as part of Veselá, Jana & Potapova, Marina, 2014, Surirella arctica comb. et stat. nov. (Bacillariophyta)-a rare arctic diatom, pp. 222-234 in Phytotaxa 166 (3) on page 229, DOI:10.11646/phytotaxa.166.3.3, http://zenodo.org/record/5138469