Family & Genus: With branching, anastomosing pseudopodia, mainly at extermities
(Illustrated Guide, 1985).
When inactive, rounded or ovoid; when active, expanded; 1 or more contractile vacuoles;
fresh water (Kudo, 1966).
Species:
Penardia sp.,
cell body 20 μm in diam., axopodia about 15-30 μm long,
x 640, rice field near Oyomi marsh, Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640