Genus: Pseudostome lacks lobed collar; test round or oval in cross-section;
with or lacking a collar (Illustrated Guide, 1985).
Species:
Difflugia sp.,
test 150 μm long, 145 μm wide, L/W=1.0, pseudostome 70 μm wide,
x 400, x 640, a small pond at Kusatsu Onsen bus terminal, Kusatsu town, Gunma Pref., Japan, June 5, 2005 by Y. Tsukii 50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Genus: Pseudostome lacks lobed collar; test round or oval in cross-section;
with or lacking a collar (Illustrated Guide, 1985).
50 μm
