FIGURE 5 in Hexactinellida (Porifera) from the Drake Passage (Southern Ocean) with a description of three new species

FIGURE 5. Caulophacus palmeri sp. nov. Type specimen MNHNCL POR_15001. A. collected specimen, scale in cm; B. end of diactin, scale bar 10 µm, SEM; C. pentactin, scale bar 100 µm, illustration traced from light microscope image; D. hexactin, scale bar 100 µm, illustration traced from light microscope image; E. pinular hexactin, scale bar 10 µm, SEM; F. discohexactin, scale bar 10 µm, SEM.