Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985).
Species:
Test 70-75 μm long
(Cash, British Freshwater Rhizopoda and Heliozoa II, 1909).
Nebela tenella Penard or Nebela griseola ?,
test 108 μm long, 80 μm wide, L/W=1.4, pseudostome 30 μm wide,
x 640, Hyoutan-ike (pond), Uba-ga-daira, Nasu town, Tochigi Pref., Japan, July 16, 2006, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640