Genus: Algophorous, but free-living, cytoplasm clear to green, pseudopodia straight,
usually more or less rigid (Illustrated Guide, 1985).
Species:
Similar genus ->> Rabdiophrys; Nuclearia delicatula Cienkowski 1865 ??,
cell body μm long, μm wide,
x 400, x 640, Watarase river, Ashikaga city, Tochigi Pref., Japan, February 1, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body nearly spherical, 53 μm in diam., x 400, x 640