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Filosea: Gromiida

 Corythion dubium
Taránek

Corythion Genus:
Species: Test sub-circular or ovoform, 23-65 μm long, 16-40 μm wide; pseudostome 5-16 μm; thickness 12-20 μm; nucleus 6-12 μm (Cash, The British Freshwater Rhizopoda and Heliozoa vol. III, 1915).

Corythion dubium Taránek, test 54 μm long, 35 μm wide, L/W=, pseudostome 12 μm long, 15 μm wide, L/W=, pseudostome μm wide, x 640, a small marsh near prefectural road route 342, Sukawa highland, Kurikoma mountain, Higashi-naruse village, Akita Pref., Japan, June 24, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Corythion dubium Corythion dubium Corythion dubium Corythion dubium Corythion dubium

Images of collecting locality: a small marsh near prefectural road route 342, Sukawa highland, Kurikoma mountain, Higashi-naruse village, Akita Pref., Japan, June 24, 2007 by Y. Tsukii

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