Genus:
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Pterocystis sp.
μm
Akigase Park
Saitama, 2002
Pterocystis sp.
or Choanocystis ?
μm
Kashiwa
Chiba, 2002
Pterocystis sp.
or Choanocystis ?
μm
Igashira park
Mooka
Tochigi, 2004
Pterocystis sp.
or Choanocystis ?
μm
Iruma river
Sayama
Saitama, 2004
Pterocystis sp.
or Choanocystis ?
μm
Imori pond
Myoko highland
Niigata, 2004
Pterocystis sp.
or Choanocystis ?
23 μm
near Karakemi m.
Omachi
Nagano, 2005
Pterocystis sp.
or Choanocystis ?
11 μm
Onnenai
Kushiro marsh
Hokkaido, 2005
Pterocystis sp.
μm
Karakemi m.8
Omachi
Nagano, 2008