FIGURE 1 in Hamacantha (Hamacantha) boomerang sp. nov. from deep-sea coral mounds at Campos Basin, SW Atlantic, and redescription of H. (H.) schmidtii (Carter, 1882) (Hamacanthidae, Poecilosclerida, Demospongiae)

FIGURE 1. Collecting locality, external morphology and spicules of Hamacantha (Hamacantha) boomerang sp. nov. (holotype, MNRJ 14339). A, portion of the South American continent showing location of Campos Basin. B, collecting locality at Campos Basin. C, external morphology of the holotype (arrows) encrusting a fragment of a dead coral, Solenosmilia variabilis. D, oxeas. E, large diancistras. F, intermediate diancistras. G, smaller diancistras. H, accolada toxas. I, smaller diancistras in greater detail. Scales: B, 100 km; C, 1 cm; D, 100 µm; E–H, 20 µm; I, 5 µm.