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Filosea: Gromiida: Euglyphina: Euglyphidae

 Sphenoderia lenta
Schlumberger, 1845

Sphenoderia Genus: Test more or less compressed; pseudostome elliptical on end of a clear collar (Illustrated Guide, 1985).
Species: Test clear, elliptical, 30-60 μm long, 20-50 μm diam.; collar height 8-10 μm; scales overlapping, elliptical; pseudostome oval slit, 10-22 μm wide; nucleus spherical 20-25 μm; endosome 4-5 μm (Illustrated Guide, 1985).

Sphenoderia lenta Schlumberger, test 30 μm long, 18 μm wide, L/W=1.7, pseudostome 8 μm wide, neck or collar about 4 μm long, scales elliptical in shape (9 x 5.5 μm), x 640, Yoshigadaira (or Yoshigataira) marsh, Shirane mountain, Kusatsu town, Gunma Pref., Japan, June 5, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Sphenoderia Sphenoderia Sphenoderia Sphenoderia

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