Genus: Test circular, ovoid or discoid; pseudostome eccentric, circular or ovoidal;
with or without spines (Kudo, 1966).
Species:
Centropyxis ecornis ?,
test 180 x 205 μm in diam., pseudostome 90 μm in diam.,
x 400, x 640, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, July 10, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii 50 μm
100 μm
150 μm; x 400 :
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).
50 μm
