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).
Species:
Nebela penardiana or N. hippocrepis ?,
test μm long, μm wide,
x 400, x 640, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Test 190 μm long, 115 μm wide, pseudostome 37 μm in diam.,
x 400, x 640
Test 190 μm long, 120 μm wide, pseudostome 40 μm in diam.,
x 400, x 640