Agelas braekmani. a schematic drawings of two specimens b spicular complement of verticillate acanthostyles c skeleton architecture with echinate fibres, sponge surface on the right (modified from Thomas 1998).

  Part of: Manconi R, Pronzato R, Perino E (2016) A new species of Agelas from the Zanzibar Archipelago, western Indian Ocean (Porifera, Demospongiae). ZooKeys 553: 1-31.