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Filosea: Euglyphina: Euglyphidae

 Trinema complanatum
Penard

Trinema complanatum Genus (Dujardin, 1841): Test round or oval in cross-section; pseudostome anteroventral; scales in regular rows (Illustrated Guide, 1985).
Species: Test 25-60 μm long, 14-40 μm wide, pseudostome 6.5-16 μm wide (Cash, The British Freshwater Rhizopoda and Heliozoa vol. III, 1915).

Trinema complanatum Penard (or T. enchelys var. galeata Penard ?), test 62 μm long, 30 μm wide, L/W=2.1, pseudostome 14 μm wide, x 640, No.7, Oh-numa marsh, Akita-Hachimantai, Kazuno city, Akita Pref., Japan, September 21, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trinema Trinema Trinema

Images of collecting locality: No.7, Oh-numa marsh, Akita-Hachimantai, Kazuno city, Akita Pref., Japan, September 21, 2007 by Y. Tsukii

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