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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

Difflugia oblonga
var. venusta (Penard) Cash

Difflugia oblonga Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species: Test pyriform, flask-shaped, or ovoid; neck variable in length; aperture terminal, typically circular; test composed of angular sand-grains, diatoms; 60-580 μm by 40-240 μm (Kudo, 1966).
Similar species -->> D. scaplellum; D. acuminata;


Difflugia oblonga Ehrenberg, test 105 μm long, 40 μm wide, L/W=2.6, pseudostome 27 μm wide, pseudostome μm wide, P/W=, x 640, Jionji-shinsui-koen (Jion temple water park), Iwatsuki-ku (formerly Iwatsuki city), Saitama city, Saitama Pref., Japan, February 12, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Difflugia Difflugia

Images of collecting locality: Jionji-shinsui-koen (Jion temple water park), Iwatsuki-ku (formerly Iwatsuki city), Saitama city, Saitama Pref., Japan, February 12, 2006 by Y. Tsukii


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