Infraciliature of the cyrtolophosidid ciliate, Sagittaria hyalina
(FOISSNER, CZAPIK & WIACKOWSKI, 1981) viewed from the anterior apical aspect.The right paraoral membrane consists of ciliated dikinetids.Four adoral membranelles lie along the left border of the cytostome between the two ends of the C-shaped paraoral membrane. Collected from an ephemeral puddle on the lawn of a public park in Boise, Idaho.September 2006.Stained by the silver carbonate technique (see Foissner, W. Europ. J. Protistol., 27:313-330;1991).Brightfield.