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Chlorophyceae: Chlorococcales: Oocystaceae

Nephrocytium
Nägeli

Family: Unicells or colonies of non-fixed number of cells; cell body variable in shape; one or more chloroplasts variable in shape; asexual reproduction by autospore or autocoenobium (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Colony of 4, 8 or 16 cells, within a gelatinous sheath, which is spherical or ellipsoidal in shape; cell body broad crescent in shape, both ends rounded; a single chloroplast plate-like in shape, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
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Nephrocytium
N. lunatum
cell 18-20 x 6-7 μm
Omine-numa
Tsukiyono
Gunma, 2003
Nephrocytium
N. lunatum
cell 22 x 7 μm
Hasuda
Saitama, 2002
Nephrocytiums
N. lunatum ?
cell μm
Kannon-numa 1
Shimogo
Fukushima, 2008
Nephrocytium
N. lunatum ?
cell μm
Kannon-numa 2
Shimogo
Fukushima, 2008
Nephrocytium
N. lunatum ?
cell μm
Kannon-numa 11
Shimogo
Fukushima, 2008
Nephrocytium
N. agardhianum
cell 9 x 5 μm
Koshigaya
Saitama, 2001
Nephrocytium
Nephrocytium
or Oocystis ?
cell 12 x 8 μm
Japan, 1998
Nephrocytium
N. shilleri
or N. lunatum ?
16 x 6 μm
Kannon-numa
Shimogo
Fukushima, 2005
Nephrocytium
N. shilleri
or N. lunatum ?
cell 19 x 4-8 μm
Sue-machi
Fukuoka, 2001
Nephrocytium shilleri
N. shilleri
15 x 4.5 μm
Kannon-numa
Shimogo
Fukushima, 2005
Nephrocytium
N. shilleri
μm
Kannon-numa 2
Shimogo
Fukushima, 2008
Nephrocytium
N. shilleri
μm
Kannon-numa 10
Shimogo
Fukushima, 2008
Nephrocytium
N. shilleri
cell x 4 μm
Nagaike park
Hachioji
Tokyo, 2005
Nephrocytium shilleri
N. shilleri
μm
Lake Shirakaba
Tateshina & Chino
Nagano, 2007
Nephrocytium shilleri
N. shilleri
or N. lunatum ?
cell x 5 μm
water reservoir
near Yamaguchi Univ.
near Yamaguchi, 2004
Nephrocytium
Nephrocytium
or Oocystis ?
cell 7.5 x 6 μm
Ueno
Tokyo, 2001
Similar genus -->> Oocystis;

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Nephrocytium
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