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Filosea: Gromiida

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 μm long, μm wide, L/W=, pseudostome μm wide, x 400, x 640, No.1, Yokotashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Sphenoderia lenta Sphenoderia lenta Sphenoderia lenta Sphenoderia lenta Sphenoderia lenta

Images of collecting locality: No.1, Yokotashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii


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