Genus: Pseudostome lacks lobed collar; test round or oval in cross-section;
with or lacking a collar (Illustrated Guide, 1985).
Species:
Difflugia sp.,
test 135 μm long (including spiny projection about 25 μm), 90 μm wide, L/W=1.5,
pseudostome 60 μm wide,
x 400, x 640, a small pond at Obihiro University of Agriculture and Veterinary Medicine, Obihiro city, Hokkaido, Japan, October 13, 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
