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. ?,
test 90 μm long, 62 μm wide, pseudostome 20 μm wide,
x 640, a small pond at Kowashimizu, Suwa city, Nagano Pref., Japan, May 21, 2005 by Y. Tsukii
94 μm; x 640