FIGURES 14–18 in Description of the new species Kittonia kempii (Biddulphiales: Kittoniaceae) with comments on Kittonia hannai P. Lefébure & Chenevière and Kittonia gigantea (Greville) De Toni

FIGURES 14–18: SEM, Kittonia hannai Fig. 14, whole valve (partial); Figs 15, 16, detail of stalked ocellus; Figs 17, 18, detail of rimportulae clustered at centre (3–8). Scale bars = 50μm (Fig. 14), 10μm (Figs 15, 16, 17), 5μm (Fig. 18).