 
 
Oligohymenophorea: 
Peritrichia: Sessilida: Operculariidae
Orbopercularia sp.
|  Genus: Colonical when mature; macronucleus rounded; some species loricate
 (Illustrated Guide, 1985).  Stalk non-contractile. Species:
 | 
Orbopercularia sp. ?, 
cell body 55 μm long, 30 μm wide, L/W=, stalk 35 μm long, 
x 640, a small pond at Kitamoto nature observatory park, Kitamoto city, Saitama Pref., February 15, 2007 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
Images of collecting locality: 
a small pond at Kitamoto nature observatory park, Kitamoto city, Saitama Pref., February 15, 2007 by Y. Tsukii
 
 
 
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