Family:
Unidentified sp.
μm
Japan, 199?
Unidentified sp.
μm
Japan, 199?
Unidentified sp.
μm
Watarase river
Ashikaga
Tochigi, 2004
Unidentified sp.
480 x 130 μm
Hikage marsh
Shiga highland
Nagano, 2005
Unidentified sp.
400 x 120 μm
Ushidome-ike
Norikura highland
Nagano, 2005
Unidentified sp.
340 x 116 μm
Ajisai Park
Kodaira
Tokyo, 2006