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Heliozoea: Centrohelida

Sphaerastrum
Greeff

Genus: Greater part of axopodia and cell body covered by a thick gelatinous mantle (Kudo, 1966).
->> Description at WPRNO Google Image Search
Sphaerastrum
S. fockei
cell μm
Japan, 1997
Sphaerastrum
S. fockei
cell μm
Japan, 1997
Sphaerastrum
S. fockei
or Raphidiophrys ?
cytoplasm exchange
Kuroiso
Tochigi, 1998
Sphaerastrum fockei
S. fockei
or Raphidiophrys ?
cytoplasm connected
Naruto
Chiba, 2003
Sphaerastrum
Sphaerastrum sp.
cell μm
Japan, 1998
Sphaerastrum
Sphaerastrum sp.
cell μm
Japan, 1998
Sphaerastrum
Sphaerastrum sp.
cell μm
Japan, 1997
Sphaerastrum
Sphaerastrum sp.
cell μm
Japan, 1998
xxxx
Sphaerastrum sp. ?
cell μm
Kaga
Ishikawa, 2000
Sphaerastrum
Sphaerastrum sp. ?
cell μm
Kashiwa
Chiba, 2002
Sphaerastrum
Sphaerastrum sp.
21 μm φ
Numa-no-hara m.
Madarao highland
Niigata, 2005
Sphaerastrum
Sphaerastrum sp.
20 μm φ
Nagaike park
Hachioji
Tokyo, 2005
Sphaerastrum
Sphaerastrum sp.
20 μm φ
Watarase-yusuichi
Fujioka
Tochigi, 2005
Sphaerastrum
Sphaerastrum sp.
30 μm φ
Akebono marsh
Tsuchiyu-onsen
Fukushima, 2005
Sphaerastrum
Sphaerastrum sp.
30 μm φ
Junichogata
Himi
Toyama, 2006
Sphaerastrum
S. fockei
or Raphidiophrys ?
cell 25 μm
Akebono marsh
Tsuchiyu-onsen
Fukushima, 2005
Sphaerastrum
S. fockei
or Raphidiophrys ?
cell 23-30 μm
Shimo-no-koike
Shiga highland
Nagano, 2004
Sphaerastrum
S. fockei
or Raphidiophrys ?
cell 29-31 μm
Onnenai
Kushiro marsh
Hokkaido, 2005
Sphaerastrum fockei
S. fockei
or Raphidiophrys ?
cell 25 μm
Kodanuki marsh
Fujinomiya
Shizuoka, 2006
Sphaerastrum fockei
S. fockei
or Raphidiophrys ?
cell μm
Fujimitashiro
Katashina
Gunma, 2007
Sphaerastrum
S. fockei
or Raphidiophrys ?
cell μm
near Omine Mt.
Minakami
Gunma, 2007
Sphaerastrum fockei
S. fockei
or Raphidiophrys ?
cell μm
Igashira p.
Mooka
Tochigi, 2008
Sphaerastrum
S. fockei
or Raphidiophrys ?
cell μm
Miyatoko m.5
Minami-Aizu
Fukushima, 2008
xxxx
Sphaerastrum sp.
or Raphidiophrys ?
21 μm φ
Ichinose-enchi
Norikura highland
Nagano, 2005
xxxx
Sphaerastrum sp.
or Raphidiophrys ?
28 μm φ
Suiren-numa
Hakkoda mountain
Aomori, 2005

Similar Genus -->> Raphidiophrys


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Sphaerastrum
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