Fig. 11 in Flagellia, a new subgenus of Haliclona (Porifera, Haplosclerida)

Fig. 11. Haliclona (Flagellia) flagellifera (Ridley & Dendy, 1886) subgen. et comb. nov., holotype, fragment of BMNH 1887.5.2.252, from Marion Island, South Indian Ocean, SEM images of the spicules. A. Oxea. A 1. Detail of one of the apices. B–C. Large category of flagellosigmas (I). C 1. Detail of long ending of large flagellosigma. C 2. Detail of short ending of large flagellosigma. D–E. Small flagellosigmas (II). F. Sigmas.