Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985). Species: |
Images of collecting locality:
No. 2, Jodo-daira (bog or marsh) , Azuma mountain, Fukushima city, Fukushima Pref., Japan, September 3, 2006 by Y. Tsukii