FIGURE 7 in Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica

FIGURE 7. Spicules of Lophocalyx topsenti, n. sp. holotype (SMF 10606). A. Anchorate hypodermal pentactin in end and side views with magnified tangential ray tip. B. Regular hypodermal pentactin in end and lateral view with enlargement of tangential ray end. C. Pinular hexactine dermalium with enlargements of pinular and tangential rays. D. Pinular hexactine atrialium with enlargements of pinular, tangential and proximal ray ends. E. Large choanosomal hexactin with alternate forms of short ray. F. Thick diactin with enlargments of two ends. G. Thin choanosomal diactin with enlargements of variety of ends. H. Oxyhexaster with enlargement of a terminal ray end. I. Oxyhexactin. J. Strobiloplumicome in optical section with rays perpendicular to the page omitted, with enlargement of one primary and terminal ray.