Family: Chydoridae Subfamily: Chydorinae
Chydorus
C. gibbus ?
μm
Japan, 199?
Chydorus
C. gibbus ?
μm
Ikoi-no-mori park
Fuchu
Tokyo, 2004
Chydorus
C. sphaericus ?
μm
Yamagata, 1999
Chydorus
C. sphaericus ?
390 x μm
Karasu river
Takasaki
Gunma, 2004
Chydorus
C. sphaericus ?
330 x 290 μm
Watarase wetland
Oyama
Tochigi, 2005
Chydorus
μm
Minami-Zao c.r.
Shichigashuku
Miyagi, 2007
Chydorus sp.
μm
Shirakawa
Fukushima, 1999
Chydorus sp.
330 x 216 μm
Kannon-numa f.p.
Shimogo
Fukushima, 2005
Chydorus sp.
228 x 140 μm
Seseragi park
Fujioka
Gunma, 2004
Chydorus sp.
155 x 100 μm
Ushidome-ike
Norikura highland
Nagano, 2005
Chydorus sp.
μm
Shimo-no-koike
Shiga highland
Nagano, 2007Subfamily: Aloninae
Leydigia sp.
μm
Shiba river
Owada Park
Saitama, 2005
Alona sp.
A. affinis ?
μm
Fukasaku-gawa Y.
Saitama, 2002
Alona sp.
A. rectangula ?
μm
Kisuge konuma
Shimogo
Fukushima, 2005Family: Sididae
Sida
S. crystallina
μm
Mashiko
Tochigi, 1999
Sida
S. crystallina
μm
Saitama, 2000Unidentified
Unidentified sp.
340 x μm
Konuma
Sakado
Saitama, 2004