Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985).
Species: Test 160-175 μm long, 65-75 μm wide; (Cash, British Freshwater Rhizopoda and Heliozoa II, 1909). |
Images of collecting locality:
No.2, Mizunashi-Yachi, Komado marsh (No.10), Showa village and Tajima town, Fukushima Pref., Japan, May 21, 2007, by Y. Tsukii