Description of Dysteriida
provided by BioPedia
Phyllopharyngeid ciliates. body typically laterally compressed; dorsal surface rounded, in extreme; ventral cilia not thigmotactic; attached to substrate by unciliated adhesive region, or by flexible podite (except Atelepithites); juxtaposed heteromerous macronucleus; some ectosymbiotic forms with members of the Kyaroikeidae exclusively on cetacea.
