Genus: Solitary, but often gregarious; myoneme continuous within full length of stalk
(Illustrated Guide, 1985).
Species: 30-80 μm long; small peristome
(How to know the protozoa, 1979).
Similar Genus ->> Carchesium Vorticella microstoma ?,
cell body 57 μm long, 35 μm wide, L/W=1.6,
peristome 20 μm wide, stalk about 220 μm long,
x 400, x 640, a small pond beside river bank of Ara-kawa, Shirogane, Sakado city, Saitama Pref., March 21, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640