FIGURE 6 in Taxonomic review of Hadromerida (Porifera, Demospongiae) from British Columbia, Canada, and adjacent waters, with the description of nine new species

FIGURE 6. Multifistulate Polymastia spp. in the NW Pacific. Numbers, form and size of fistulae. Scale bar, 3 cm on all but C where scale bar 5 cm. A, P. kurilensis Koltun; B, P. laganoides Burton; C, P. fluegeli Lehnert et al.; D, large P. toporoki Koltun; E, small P. toporoki; F, P. affinis Thiele, fistulae contracted; G, P. affinis, fistulae expanded. A, D–G from Koltun 1966; B from Lambe 1895, courtesy Royal Society of Canada; C from Stone et al. 2011.