FIGURE 8. Rhabdocalyptus trichotis n in Four new species of Hexactinellida (Porifera) and a name replacement from the NE Pacific

FIGURE 8. Rhabdocalyptus trichotis n. sp., holotype spicules. A. Prostal diactin, whole and two close-ups. B. Hypodermal pentactins, two whole smooth ones, lateral view of thorned one and close-up of thorned segment of tangential ray. C. Choanosomal diactins including four whole spicules, three magnified ends and a center segment showing insignificant center swelling. D. Dermalia, including whole pentactin, stauractin, tauactin, paradiactin and magnified ray tip. E. Atrialia, pentactin and diactin. F. Discoctaster, whole and close-ups of center, tuft of terminal rays and one terminal ray. G. Oxyhexaster and hemioxyhexaster with close-ups of spicule center and terminal ray. H. Oxyhexactin. I Microdiscohexaster at same scale as other whole microscleres. J. Microdiscohexaster enlarged to show detail.