Genus: Algophorous, but free-living, cytoplasm clear to green, pseudopodia straight,
usually more or less rigid (Illustrated Guide, 1985).
Species:
Nuclearia delicatula Cienkowski 1865 ??,
cell body 27-30 μm wide, 2 or 3 nuclei visible,
x 640, Shinobazu-ike (pond), Ueno, Taito-ku, Tokyo, Japan, March 2001 by Y. Tsukii
31 μm
63 μm
94 μm; x 640