Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large,
with or lacking a collar (Illustrated Guide, 1985).
Species:
Similar species >>D. claviformis;
D. acuminata;
D. scalpellum;
Difflugia bacillariarum var. elegans (Penard) Cash (similar to D. bacillifera Penard),
test 175 μm long (including spiny projection 30 μm), 55 μm wide, L/W=3.2,
pseudostome 42 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; pseudostome relatively large,
with or lacking a collar (Illustrated Guide, 1985).
31 μm
