Genus: Test more or less compressed; pseudostome elliptical on end of a clear collar
(Illustrated Guide, 1985).
Species:
Test not compressed, pseudostome dented (Cash, 1915).
Similar genus -->>Placocista lens;
Sphenoderia dentata (Moniez) Penard ??,
test 39 μm long, 31 μm wide, pseudostome 12 μm wide,
scales nearly circular, 7 μm in diam.,
x 640, Hakama marsh (or bog), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus: Test more or less compressed; pseudostome elliptical on end of a clear collar
(Illustrated Guide, 1985).
31 μm
