Genus: Pseudostome lacks lobed collar; test round or oval in cross-section;
with or lacking a collar (Illustrated Guide, 1985).
Species:
Similar Genus -->> D. acuminata; D. mammilaris; Difflugia lanceolata Penard ?,
test 140 μm long, 86 μm wide, L/W=1.6,
pseudostome 35 ? μm wide,
x 640, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 19, 2005 by Y. Tsukii 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).
31 μm
