FIGURE 17 in <strong>New glass sponges (Porifera: Hexactinellida) from deep waters of the central Aleutian Islands, Alaska</strong>

FIGURE 17. Spicules of Aulosaccus ijimai (Schulze) from the Aleutian Islands (SEM). A. Dermal pinular hexactins and enlarged ray ends. B. Atrial pinular hexactin. C. Thin diactin, whole and enlarged ends and middle segment. D. Solaster (discohexaster), whole. E. Two centra of solasters in different orientations (LM). F. Terminal ray ends of solaster. G. Oxyhexaster. H. Oxyhexactin. I. enlarged ray end of oxyhexactin. J. Microdiscohexaster.