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Lobosea: Testacealobosia: Arcellinida: Difflugina: Nebelidae

 Porosia bigibbosa
Jung 1942
Syn. Nebela bigibossa Penard

Porosia bigibbosa Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
Genus: (Illustrated Guide 2nd).
Species: (Illustrated Guide, 2nd).

Porosia bigibbosa (Archer 1867) Leidy ?, test μm long, μm wide, L/W=, pseudostome μm wide, x 400, x 640, Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 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
Porosia bigibbosa Porosia bigibbosa Porosia bigibbosa
x 640
Porosia bigibbosa Porosia bigibbosa Porosia bigibbosa

Images of collecting locality: Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii

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