FIGURE 26 in <strong>New glass sponges (Porifera: Hexactinellida) from deep waters of the central Aleutian Islands, Alaska</strong>

FIGURE 26. Spicules of Staurocalyptus tylotus n. sp., holotype from the Aleutian Islands (SEM). A. Whole prostal diactin and enlarged tips. B. Hypodermal pentactins in lateral views, with enlarged tangential and proximal ray ends. C. Dermalia; hexactins with short distal rays, pentactin, stauractin and enlarged ray ends. D. Atrialia, whole and enlarged ray end. E. Parenchymal diactins including enlarged ends. F. Two subdermal discoctasters not differentiated as size classes with enlarged terminal ray ends. G. Oxyhexactin, H. Hemioxyhexaster. I. Enlarged center of oxyhexactin to show spines.