Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large,
with or lacking a collar (Illustrated Guide, 1985).
Species:
Difflugia claviformis Ehrenberg,
test 290 μm long, 90 μm wide, pseudostome 50 μm wide,
x 200, x 400, x 640, Sankaku-ike (small pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 by Y. Tsukii 100 μm
200 μm
300 μm; x 200
Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large,
with or lacking a collar (Illustrated Guide, 1985).
100 μm
