FIGURE 18 in <strong>New glass sponges (Porifera: Hexactinellida) from deep waters of the central Aleutian Islands, Alaska</strong>

FIGURE 18. Bathydorus sp., body and spicules. A. Entire specimen teased from cobble. B. Close-up of surface. C. Hypodermal pentactin, whole and magnified ray ends (SEM). D. Dermal stauractin, triactin and diactin, whole and magnified ray ends (SEM). E. Large thick prostal diactin, whole and magnified end (SEM). F. Small thick prostal diactin, whole and magnified ray end (SEM). G. Thin parenchymal diactin, whole and magnified end (SEM). H. Oxyhexactin and hemioxyhexaster, whole and magnified center of the latter (SEM). I. Portion of basidictyonal attachment framework (SEM).