Genus: Algophorous, but free-living, cytoplasm clear to green, pseudopodia straight,
usually more or less rigid (Illustrated Guide, 1985).
Species:
Similar genus ->> Rabdiophrys; Nuclearia radians (Greeff 1869) Patterson 1984,
cell body 55 μm in diam.,
x 640, (Lat. 37° 7' 20" N., Long.140° 12' 0" E.) Konpira bridge over Yanta river, Shirakawa city, Fukushima Pref., Japan, August 2003, by Y. Tsukii
31 μm
63 μm
94 μm; x 640