Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985).
(Cash, British Freshwater Rhizopoda and Heliozoa II, 1909).
Nebela sp. (N. lageniformis Penard ?),
test 80 μm long, 35 μm wide, pseudostome 11 μm wide,
x 640, Hakama marsh (or bog), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
94 μm; x 640
Test 75 μm long, 32 μm wide, pseudostome 10 μm wide, x 640