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:
Condylostoma or Paracondylostoma ?,
cell body μm long, μm wide, L/W=,
x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640