in vivo, ventral view

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Ventral view of Epenardia myriophylli (Penard, 1922) Corliss, 1971, a large glaucomid ciliate. This cell is slighlty compressed. The body is ellipsoid with minimal dorsoventral flattening. The relatively small obliquely oriented cytostome is in the anterior 1/4. The three adoral membranelles are located in the deep buccal cavity. There is an undulating membrane on the right. E. myriophylli differs from Glaucoma species by its dense (80-110) somatic kineties and the broad M3 which is wider than M2 and a preoral suture in the long axis. There are approximately 9 postoral kineties. The spherical macronucleus and micronucleus are centrally located. The contractile vacuole empties through a single excretory pore on the right dorsal surface. The pellicle is pitted with regular square depressions. Collected from a freshwater drainage ditch near Boise, Idaho. April 2005. DIC