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 31 μm
63 μm
94 μm; x 640
x 400, x 640
x 400, x 640
Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
31 μm
