Family: With two unequal flagella (heterokonta); no pellicle and plastic (Kudo, 1966).
Genus: Solitary or colonial; body surface delicate; one to two chloroplasts; usually with a stigma; fresh water (Kudo, 1966). One to several chloroplasts; pyrenoid and/or eyespot (stigma) in some; cells naked, globular, ellipsoidal or pyriform (Illustrated Guide, 1985).
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O. variabilis
8 samples
7 μm φ
2 chl.
1998-2003
O. margaritata ?
5 samples
11-17 x μm
2003-2004
O. verrucosa
6 samples
24 μm
2005-2008
Ochromonas sp.
14 x 13 μm
kenko-fukushi m.p.
Koshigaya
Saitama, 2005
Ochromonas sp.
cell 7 μm φ
Japan, 1998
Ochromonas sp.
cell 7-8 μm φ
Japan, 1998
Ochromonas sp.
cell 6-7 μm φ
Uruguay, 1999
Ochromonas sp.
9.5 x 9.5 μm
Kuroiso
Tochigi, 2000
Ochromonas sp.
8 x 8 μm
Sugadaira
Nagano, 2001
Ochromonas sp.
8 x 8 μm
Watarase
Tochigi, 2001
Ochromonas sp.
7 x 7 μm
Kuroiso
Tochigi, 2001
Ochromonas sp.
8-10 x 7 μm
Akigase Park
Saitama, 2002
Ochromonas sp.
9 x 8 μm
Sayama
Saitama, 2001
Ochromonas sp.
stock Sam-2, axenic
11 x 9 μm
Ageo Maruyama Park
Saitama, 2002
Ochromonas sp.
8 μm φ
Kanazawa
Ishikawa, 2002
Ochromonas sp.
9 μm φ
Otto-Numa
Ibaraki, 2002
Ochromonas sp.
7 μm φ
Sugadaira
Nagano, 2002
Ochromonas sp.
7-8 μm φ
Sugadaira
Nagano, 2002
Ochromonas sp.
& Stock Sso-2
7-9 μm φ
Soka Park
Saitama, 2002
Ochromonas sp.
μm φ
Akebono-yama A.P.
Kashiwa
Chiba, 2002
Ochromonas sp.
μm φ
Kashiwa
Chiba, 2002
Ochromonas sp.
μm φ
Kurihashi
Saitama, 2001
Ochromonas sp.
μm φ
Iwajuku
Gunma, 2001
Ochromonas sp.
μm φ
Hasuda
Saitama, 2002
Ochromonas sp.
x 8 μm
Iruma river
Sayama
Saitama, 2004
Ochromonas sp.
or Chromulina ?
6-10 μm
Omotsubo marsh
Tetta-cho
Okayama, 2004Similar Genus ->> Monas