FIGURE 9 in Sponges from Doumer Island, Antarctic Peninsula, with description of new species of Clathria (Axosuberites) Topsent, 1893 and Hymeniacidon Bowerbank, 1858, and a re-description of H. torquata Topsent, 1916

FIGURE 9. Clathria (Axosuberites) retamalesi sp. nov., holotype MNRJ 20638. A, extra-axial skeleton in transverse view; B, extra-axial skeleton in detail, with small ectosomal auxiliary styles (ect. aux.), smaller subectosomal auxiliary styles III (subect. aux.), and tracts of principal choanosomal styles reinforced by larger subectosomal auxiliary styles II, (cho. princ.); C, extraaxial skeleton in detail, showing bundles of ectosomal auxiliary styles; D, transverse section showing compressed choanosomal bundles of subectosomal principal styles and subectosomal auxiliary styles; E, detail of the compressed skeleton. Scale bars: A, D = 500 µm; B–C, E = 200 µm.