FIGURE 13 in Vosmaeria Fristedt, 1885 (Porifera, Demospongiae, Halichondriidae): revision of species, phylogenetic reconstruction and evidence for split

FIGURE 13. Johannesia reticulosa, holotype: spicules at SEM. Scale bars for A – D: 0.1 mm, scale bars for E – F: 0.01 mm. A – straight oxea. B – curved oxea. C – straight subtylostyle. D – curved subtylostyle. E – detail of tyle. F – distal tip of subtylostyle