Genus:
Species:
->> Description at WPRNO Google Image Search
P. spinosa
165 x μm
Yokotashiro 3
Oze marsh
Gunma, 2007
P. spinosa
151 x 110 μm
Yahei-daira m.
Azuma mountains
Yamagata, 2007
P. spinosa
118 x μm
Sensho-ga-hara
Shizukuishi
Iwate, 2007
Placocista sp.
110 x μm
Oh-numa m.2
Kazuno
Akita, 2007
Placocista sp. or
E. compressa ?
105 x μm
Chigo-ike m
Shiga highland
Nagano, 2008
Placocista sp. or
E. compressa ?
86 x μm
Maeyama marsh
Shiga highland
Nagano, 2008