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Hannaea cf. arcus, SEM 10–13 external view of valve, note linking spines and central area 14–17 internal view of valve, note central area lacking buttressing (15). Scale bars: 10 μm (10, 14), 2 μm (11–13, 15–17). |
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| Part of: Liu B, Williams DM (2020) From chaos to order: the life history of Hannaea inaequidentata (Lagerstedt) Genkal and Kharitonov (Bacillariophyta), from initial cells to vegetative cells. PhytoKeys 162: 81-112. https://doi.org/10.3897/phytokeys.162.56136 |