Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985).
Species: Test 50-70 μm long, 25-35 μm wide; (Cash, British Freshwater Rhizopoda and Heliozoa II, 1909). |
Images of collecting locality:
Hakkoda Gourd line, Hakkoda mountain, Aomori city, Aomori Pref., Japan, September 13, 2006 by Y. Tsukii