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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

 Difflugia lobostoma
Leidy, 1879

Difflugia lobostoma 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 ovoid to subspherical; aperture terminal; with three to six lobes; diameter 80-120 μm (Kudo, 1966). 90-170 μm long; 70-160 μm diam.; test, ovoid, round in cross-section; pseudostome terminal, usually quadrilobate, 30-50 μm diam. (Illustrated Guide, 1985).

Difflugia sp. (D. lobostoma or similar species ?), test 120 μm long, 93 μm wide, x 100, x 400, x 640, Kurome river, Asaka city, Saitama Pref., Japan, November 1998 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Difflugia Difflugia Difflugia
Test 122 μm long, 85 μm wide, x 400, x 640
Difflugia Difflugia Difflugia Difflugia Difflugia

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