Genus: Algophorous, but free-living, cytoplasm clear to green, pseudopodia straight,
usually more or less rigid (Illustrated Guide, 1985).
Species:
Nuclearia radians (Greeff 1869) Patterson 1984,
cell body spherical, 17 μm in diam.,
x 640, Kamiya Park, Konosu city, Saitama Pref., Japan, June 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640