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 ?,
test 210 μm long, 110 μm wide, L/W=1.9, pseudostome 44 μm wide,
x 400, x 640, Yacho-no-mori marsh (Ohnigo marsh), Sukawa highland, Kurikoma mountain, Higashi-naruse village, Akita Pref., Japan, July 24, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
x 640
Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
31 μm
