Genus: Algophorous, but free-living, cytoplasm clear to green, pseudopodia straight,
usually more or less rigid (Illustrated Guide, 1985).
Species:
Nuclearia sp. or similar species (Vampyrellidium ?),
moves smoothly, always with four filopodia (or pseudopodia ?),
test μm long, μm wide, L/W=,
x 640, No. 2, Torinome Kasen Park, NasuShiobara city (formerly Kuroiso city), Tochigi Pref., Japan, January 2, 2008 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640