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 μm long, μm wide, L/W=,
x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640