Genus:
Species: Test small, brown or rarely colourless, oviform, compressed; trasverse section lenticular; 28-58 μm long, 19-50 μm wide, pseudostome 6-16 μm wide (Cash, 1915). |
Images of collecting locality:
No.4, Yokotashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii