FIG. 5 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
- 1. Université Laval, Département de Géographie et Centre d'études nordiques (CEN), Pavillon Abitibi-Price, 2405 rue de la Terrasse, Québec G1V 0A6 (Canada)
- 2. Canadian Museum of Nature, Research and Collections Division, PO Box 3443, Station D, Ottawa, ON, K1P 6P4 (Canada)
Description
FIG. 5. — SEM images of Kobayasiella madumensis (Jørgensen) Lange-Bertalot: A, external view of the complete valve; B, internal view of the complete valve; C, external view of the axial and central areas showing the multiseriate poroid covers between irregular formed virgae; D, internal view of the central area showing Y-shaped proximal fissures; E, central area with differentially thickened axial ridges; F, external view of the valve apex showing an elevated terminal area with a partially curved proximal fissure; G, internal valve view of the apex. Helictoglossa expanded onto a highline apex. Areolae interrupted around the apex. Scale bars: A, B, 10 µm; C, D, F, 3 µm; E, 500 nm; G, 2 µm.
Notes
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