FIGURE 4 in First record of Hamacantha (Porifera, Demospongiae, Merliida, Hamacanthidae) from Japan, with description of two new species

FIGURE 4. Hamacantha (Vomerula) umisachii sp. nov., holotype (NSMT-Po-2488). A, external morphology. B, skeletal arrangement of surface of ectosome. Note darker parts are bouquets of upward styles (b). C, other magnified view of surface of ectosome. Sheet of styles gather to bouquets (b). D, diancistras attach on bundle of styles. Scale bars: A, 2 mm; B, C, 100 µm; D, 50 µm.