FIGURE 3. A in New carnivorous sponges and allied species from the Great Australian Bight

FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas.