Family:
Genus: Cell body cylindrical; uniform ciliation, about 70 ciliary rows; a triangular cytostome in the anterior fourth with a paroral undulating membrane on right and three adoral membranes; a contractile vacuole on mid-right side; a pore being located in a depression of pellicle above it; macronucleus irregularly ribbon-like; 5 or 6 micronuclei; fresh water (Kudo, 1966).
D. rhabdoides
or Ophryoglena ?
200 x 50 μm
many small Mac.
Japan, 1998
Deltopylum sp.
or Ophryoglena ?
156 x 48 μm
one large Mac.
Saitama, 1999
