FIGURE 3 in Vosmaeria Fristedt, 1885 (Porifera, Demospongiae, Halichondriidae): revision of species, phylogenetic reconstruction and evidence for split

FIGURE 3. Vosmaeria crustacea: transversal sections of the papillae with spicules removed. Scale bars: 0.1 mm. A– inhalant papilla. B–exhalant papilla. The upper sections correspond to papillae apices, the lower ones–to papillae bases. ec-exhalant canal, ic–inhalant canal, o–ostia