Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large,
with or lacking a collar (Illustrated Guide, 1985).
Species: |
50 μm
100 μm
150 μm; x 400 ;
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Suga-daira marsh, Ueda city, Nagano Pref., Japan, July 6, 2006 by Y. Tsukii
