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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

 Difflugia pristis
Penard

Difflugia Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; with or lacking a collar (Illustrated Guide, 1985).
Species:

Difflugia pristis Penard ?, test 65 μm long, 35 μm wide, L/W=1.9, pseudostome 16 μm wide, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
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