Suborder (Urostylina): Frontoventral cirri as 2 or more zig-zag files almost full length of ventrum.
Family:
Genus:
Parauroleptus (or Strongylidium ?),
cell body 112 μm long, 33 μm wide,
both marginal cirral files present, two frontoventral files curved from anterior right to posterior left,
x 400, x 640, Saitama Pref. Japan, 2000, by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640