Hi y'all, Posting this for a friend (still no Usenet at VIMS). Anyway can anyone post or mail refs for distinguishing the gonyaulacoids from the peridinoids in the dinos? LM and EM appreciated.... thanks. Mark -- Mark E. Siddall "I don't mind a parasite... mes at vims.edu I object to a cut-rate one" Virginia Inst. Marine Sci. - Rick Gloucester Point, VA, 23062