Family: Scales round to elliptical, thin.
Genus: Test round or oval in cross-section; pseudostome terminal with dentate scales.
Species: Test 33-70 μm long, 12-23 μm wide; pseudostome 6-12 μm wide; (Cash & Wailes, The British Freshwater Rhizopoda and Heliozoa vol. III, 1915).

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s. = scales

E. cristata 83 x 24 μm Test; L/W= s. μm Kashibaru marsh 3 Karatsu Saga, 2006	E. cristata μm Test; L/W= s. μm Kashibaru m.4 Karatsu Saga, 2008	E. cristata ? or E. cristata ? 35 x 11 μm Test; L/W=3.2 s. μm Scale; L/W= Akebono marsh Tsuchiyu-onsen Fukushima, 2005	E. cristata 47 x 13 μm Test; L/W= s. μm Ikenokochi m.4 Tsuruga Fukui, 2006
E. cristata μm Test; L/W= Oh-numa marsh Hachimantai Akita, 2007

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