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Filosea: Gromiida: Euglyphina: Cyphoderiidae

 Cyphoderia ampulla
(Ehrenberg, 1840)

Cyphoderia Genus: Test round in cross-section; scales usually adjacent; aperture truncate (Illustrated Guide, 1985).
Species: 60-140 μm long; 30-75 μm diam.; neck diam. 12-25 μm; test clear, chitinoid, ovoid, round cross-section; with round adjoining scales in yellow matrix; short cylindrical neck, bent; pseudostome, round, 10-25 μm; pseudopods like Euglypha; nucleus spherical 20-30 μm; synonyms, C. margaritacea, C. myosurus (Illustrated Guide, 1985).

Cyphoderia ampulla ?, test 112 μm long, 39μm wide, L/W=2.9, pseudostome 14 μm wide, x 640, Suiren-numa (pond), near Hakkoda mountain, Towada city (formerly Towadako town), Aomori Pref., Japan, July 17, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cyphoderia Cyphoderia Cyphoderia
Test μm long, μm wide, L/W=, pseudostome μm wide, x 640
Cyphoderia Cyphoderia Cyphoderia Cyphoderia

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