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Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Chlamydophyceae: Chlamydomonadales: Haematococcaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae

Chlorogonium elongatum
(Dangeard) Francé 1897 (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
(Dangeard) Dangeard 1899 (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983; John et al. eds. 2002)

Species: Cell body fusiform or elongated ovoid, 20-53 μm long, tapered at both ends, cell wall thin, chloroplasts plate-like, with two large pyrenoids one located at anterior half and another at posterior half, stigma ovoid or pear-shaped, located at anterior 1/4-1/3 of the cell body, many contractile vacuoles (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Cell body fusiform to spindle-shaped, 20-80(-120) μm long, 4-10(-12) μm wide; stigma longitudinally elongated elliptical, located close to tapering anterior end; [var. truncatum Skuja 1956]: 20-35 μm long, 3-5 μm wide; [var. opulentum Ettl 1960]: 120-155 μm long, 10-12 μm wide; [var. gigas Hortobagyi 1979]: 100-110 μm long, 15-17 μm wide; (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Cell body spindle-shaped, 23-50 μm long, 4-9 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).
Google Image Search
Chlorogonium elongatum
C. elongatum
100 x 11 μm
2 pyrenoids
many C.V.
flag. μm
Kumagaya
Saitama, 2004
Chlorogonium elongatum
C. elongatum
st. Skmo-2, axenic
2 pyrenoids
many C.V.
flag. μm
Kumagaya
Saitama, 2004
iden. by Nakada
Chlorogonium elongatum
C. elongatum
st. Skmo-2, axenic
2 pyrenoids
many C.V.
flag. μm
Kumagaya
Saitama, 2004
iden. by Nakada
Chlorogonium elongatum
C. elongatum
st. Skmo-2, axenic
2 pyrenoids
many C.V.
flag. μm
Kumagaya
Saitama, 2004
iden. by Nakada
Chlorogonium elongatum
C. elongatum
st. Skmo-1, axenic
2 pyrenoids
many C.V.
flag. μm
Kumagaya
Saitama, 2004
Chlorogonium elongatum
C. elongatum
90 x 10 μm
2 pyrenoids
Oura central p.
Oura
Gunma, 2006
Chlorogonium
C. elongatum
87 x 6 μm
2 pyrenoids
many C.V.
flag. μm
Tatebayashi
Gunma, 2001
Chlorogonium
C. elongatum
74 x 4 μm
2 pyrenoids
many C.V.
flag. 12 μm
Akigase Park
Saitama, 2002
Chlorogonium elongatum
C. elongatum
65 x 10 μm
2 pyrenoids
flag. μm
Kami-muneoka
Shiki
Saitama, 2004
Chlorogonium elongatum
C. elongatum
93 x 6.5 μm
2 pyrenoids
flag. μm
Todoroki g.l.
Kawasaki
Kanawaga, 2004
Chlorogonium
C. elongatum ?
91 x 7 μm
pyr. absent ?
flag. 14 μm
Sannoh Park
Saitama
Saitama, 2005
Chlorogonium elongatum
C. elongatum ?
80 x 5 μm
flag. μm
Akasaka-numa
Iwatsuki
Saitama, 2006
Chlorogonium elongatum
C. elongatum ?
50 x 3 μm
pyr. absent ?
flag. 12 μm
Watarase Wetland
Fujioka
Tochigi, 2005
Chlorogonium
C. elongatum
38-48 x 4.5-5.5 μm
2 pyrenoids
flag. μm
Shimo-muneoka
Shiki
Saitama, 2004
Chlorogonium elongatum
C. elongatum
stock Sssm-1,2, axenic
38 x 9 μm
2 pyrenoids
flag. μm
Shimo-muneoka
Shiki
Saitama, 2004
Chlorogonium
C. elongatum
55 x 8 μm
2 pyrenoids
flag. 12 μm
Kaminokawa
Tochigi, 2004
Chlorogonium
C. elongatum
45 x 7 μm
2 pyrenoids
Shiken-zaike
Kamikawa
Saitama, 2004
Chlorogonium
C. elongatum
38 x 10 μm
flag. 14 μm
Shimo-muneoka
Shiki
Saitama, 2004
Chlorogonium elongatum
C. elongatum
stock Sssm-5
29 x 8 μm
Shimo-muneoka
Shiki
Saitama, 2004
iden. by Nakada
Chlorogonium elongatum
C. elongatum
stock Sssm-5
29 x 8 μm
Shimo-muneoka
Shiki
Saitama, 2004
iden. by Nakada

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Chlorogonium
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