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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

 Difflugia claviformis
Ehrenberg, 1838

Difflugia claviformis Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species:

Difflugia claviformis Ehrenberg, test 250 μm long, 95 μm wide, L/W=2.6, pseudostome 48 μm wide, x 400, x 640, Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
scale50 μm scale100 μm scale150 μm; x 400 ; scale 31 μm scale 63 μm scale 94 μm; x 640
Difflugia Difflugia

Images of collecting locality: Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii

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