 
 Porosia bigibbosa
Porosia bigibbosa
Jung 1942
Syn. Nebela bigibossa Penard
|  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 283 μm long, 195 μm wide, L/W=1.5, 
pseudostome 68 μm wide, 
x 200, x 400, x 640, No.4, Chigo-ike (marsh pond) at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, October 9, 2006 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
x 400, x 640
 
 
 
 
 
Images of collecting locality: 
No. 4, Chigo-ike marsh at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, October 9, 2006 by Y. Tsukii
 
 
 
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