FIGURE 3 in Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica

FIGURE 3. Spicules of Malacosaccus coatsi from stn. PS67/102-11 (SMF 10702). A. Dermal pinular hexactin and enlargements of three ray ends. B. Hexactine principalium with enlargement of ray end. C. Pentactine principalium with enlargements of tangential and proximal ray ends. D. Oxyhexaster. E. Floricome (two ray sets perpendicular to the page omitted) with enlargement of terminal ray tip. F. Series of one ray sets from floricome (right), floricoid discohexaster (center) and floricoid onychohexaster (left). G. Spiroxyhexaster (rare).