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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

 Difflugia scalpellum
Penard, 1899

Difflugia scalpellum Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; with or lacking a collar (Illustrated Guide, 1985).
Species: 220-300 μm long; 50-60 μm diam.; test, outline like dagger, nearly cylindroid; pseudostome nearly as wide as test, 30-40 μm, no neck, no collar (Illustrated Guide, 1985).
Similar species -->> D. acuminata;

Difflugia scalpellum (or D. smilion ?), test 225 μm long, 55 μm wide, pseudostome 35 μm wide, x 400, x 640, Aizu Recreation Park, Aizuwakamatsu city, Fukushima Pref., Japan, May 4, 2005 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 Difflugia Difflugia

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