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Lobosea: Arcellinida: Difflugiidae

Difflugia amphora
Leidy, 1874

Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species : 150-300 μm long, 90-200 μm wide, test long-oval, round cross-section, clear to brown; pseudostome 40-80 μm; flared, wavy pseudostomal collar (Illustrated Guide, 1985).

Difflugia sp. (D. amphora ?), test μm long, μm wide, Japan, 1998 by Y. Tsukii

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