Genus: Test circular, ovoid or discoid; pseudostome eccentric, circular or ovoidal;
with or without spines (Kudo, 1966).
Species:
Centropyxis ecornis ?,
test without spines, 150 μm in diam., pseudostome 50-55 μm in diam.,
x 200, x 400, Japan, 199? by Y. Tsukii
100 μm
200 μm
300 μm; x 200 :
50 μm
100 μm
150 μm; x 400
Test without spines, 140 μm long, 123 μm wide, pseudostome μm in diam., x 400