Species: Test braodly oviform or pyriform, dorso-ventrally compressed, transverse section ellioptical, 45-100 μm long, 30-60 μm wide; many hairly projections at periphery; pseudostome circular (cf. E. ciliata, E. compressa) bordered by 10-14 denticulated, thickened scales, 12-23 μm; body scales 7-10.5 μm long, 4.5-5.5 μm wide (Cash & Wailes, The British Freshwater Rhizopoda and Heliozoa vol. III, 1915).

31 μm 63 μm 94 μm; x 640

Images of collecting locality: No.4, Ryugahara marsh, Chokai mountain, Yuri-Honjo city, Akita Pref., Japan, September 29, 2008 by Y. Tsukii