Genus: Test circular, ovoid or discoid; pseudostome eccentric, circular or ovoidal;
with or without spines (Kudo, 1966).
Species:
Centropyxis ecornis ?,
test 62 μm long, 65 μm wide, L/W=1.0, pseudostome 30 μm wide,
x 640, Kisuge konuma (a small pond near Mikura mountain 1888 h), Shimogo town, Fukushima Pref. (boundary at Nasu-shiobara city, Tochigi Pref.), Japan, August 29, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus: Test circular, ovoid or discoid; pseudostome eccentric, circular or ovoidal;
with or without spines (Kudo, 1966).
31 μm
