Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985).
Species: Test 80-160 μm long, 40-60 μm wide; (Cash, British Freshwater Rhizopoda and Heliozoa II, 1909). |
Images of collecting locality:
No.3, Iyari marsh, Omachi city, Nagano Pref., Japan, June 4, 2007 by Y. Tsukii