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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 266 μm long, 154 μm wide, L/W=1.7, pseudostome 53 μm wide, x 200, x 400, x 640, Watasuge marsh (or bog), Tsugaike highland (Tsugaike Natural Park), Otari village, Nagano Pref., Japan, July 3, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Porosia bigibbosa
x 400, x 640
Porosia bigibbosa Porosia bigibbosa Porosia bigibbosa
x 400, x 640
Porosia bigibbosa Porosia bigibbosa Porosia bigibbosa Porosia bigibbosa


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