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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

 Difflugia globulosa
Dujardin, 1837

Difflugia globulosa Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species: 70-110 μm long; 55-85 μm diam.; test oval, round cross-section; brown, chitinoid, with imbedded siliceous plates, attached debris (Illustrated Guide).

Difflugia globulosa ? (small varieties ? or similar species), test μm long, 19 μm wide (test diam.), pseudostome μm diam., x 400, x 640, Japan, April 1999, 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

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