Sphaerastrum sp. ?
cell μm
Japan, 199??
Sphaerastrum sp. ?
cell μm
Japan, 1998
Sphaerastrum sp. ?
cell μm
Uruguay, 1999
Sphaerastrum sp. ?
cell μm
Omiya
Saitama, 2001
Heterophrys sp.
or Chlamydaster ?
cell μm
Japan, 1998
P. stammeri ?
cell μm
Sannoh-bori
Sannoh Park
Saitama, 2005
P. stammeri ?
cell μm
Shinobazu-ike
Tokyo, 2001
Raphidiophrys sp.
cell μm
Japan, 1998
Unidentified sp.13
cell μm
Japan, 1998
Unidentified sp.13
cell μm
Senjo-ga-hara
Nikko
Tochigi, 2003
Nuclearia sp.
cell μm
Uruguay, 1999
Nuclearia sp.
cell μm
Japan, 1998
Nuclearia sp. ?
cell μm
Japan, 1997
Nuclearia sp. ?
cell μm
Japan, 1999
Nuclearia sp. ?
cell μm
Japan, 199?
Nuclearia sp. ?
cell μm
Kyoto, 2000
Heterophyrs ?
cell μm
Tsurugashima
Saitama, 2003
Unidentified sp.
irregular shape
cell μm
Japan, 1997
Unidentified sp.
irregular shape
cell μm
Japan, 1998