Key points are not available for this paper at this time.
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).
Mauro Panteghini (Wed,) studied this question.