Genus: Body ellipsoid; anterior end truncate; posterior end rounded; peristome wide and V-shaped;
a large membrane on right edge and adoral zone on left; macronucleus moniliform (Kudo, 1966).
Species:
Paracondylostoma sp. (or Paracondylostoma ?),
cell body 52 μm long, μm wide,
x 640, Naruto town, Chiba Pref., Japan, September 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640