Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms Author Al-Handal, Adil Y. Author Torstensson, Anders Author Wulff, Angela text Botanica Marina 2022 Warsaw, Poland 2022-02-23 65 2 81 103 http://dx.doi.org/10.1515/bot-2021-0066 journal article 297141 10.1515/bot-2021-0066 163e2ba5-fdc5-4fbf-916e-311eb7062dd4 1437-4323 11000147 Navicula sp. 1 ( Figure 71 ) Description: Valves broadly lanceolate with weakly produced rounded apices, 32–48 µm long, 22–26 µm wide. Raphe straight, proximal raphe endings slightly expanded. Axial area wide and elliptic, central area not separated from axial area. Striae radiate, coarse, short and distant, 6– 7 in 10 µm. Ecology and distribution: Marine species. Rare in Potter Cove.