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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Euglena spirogyra
Ehrenberg 1838
=Lepocinclis fusca (Klebs) Kosmala et Zakryś 2005 or
=Lepocinclis spirogyroides (Ehrenberg) Marin et Melkonian 2003 (Ciugulea I. & Triemer R.E., A Color Atlas of Phtosynthetic Euglenoids, Michigan State University Press, 2010)

Species: 80-125 μm long, 10-35 μm wide; cylindrical; anterior end a little narrowed and rounded; posterior end drawn out; spiral striae, made up of small knobs; many discoid chloroplasts; two ovoidal paramylon (paramylum) bodies; flagellum about 1/4 the body length; sluggish (Kudo, 1966). 80-180 μm long. Several varieties: var. suprema 140-180 μm, var. marchica, 85-165 micron, var. abruptacuminata, 130-145 μm (How to know the protozoa, 1979). 45-250 μm long, 5-35 μm wide (Illustrated guide, 1985). Cell body 70-96 μm long, 10-14 μm wide, two large paramylon bodies ring-shaped (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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All knobs equal in size; all striae same in thickness
Euglena spirogyra
var. 1
43 samples
115-260 μm
1997-2007
Euglena spirogyra
var. 1
43 samples
115-260 μm
1997-2007
Euglena spirogyra
var. 1
43 samples
115-260 μm
1997-2007
Euglena spirogyra
var. 1
43 samples
115-260 μm
1997-2007
Large and small knobs present
Euglena spirogyra
var. 2
17 samples
100-190 μm
striae/10 μm
1999-2007
Euglena spirogyra
var. 2
17 samples
100-190 μm
striae/10 μm
1999-2007
Euglena spirogyra
var. 2
17 samples
100-190 μm
striae/10 μm
1999-2007
Euglena spirogyra
var. 2
17 samples
100-190 μm
striae/10 μm
1999-2007
E. spirogyra small variety or similar species ?
Euglena spirogyra
var. 3
18 samples
90-130 μm
2001-2006
Euglena spirogyra
var. 3
18 samples
90-130 μm
2001-2006
Euglena
var. 3
18 samples
90-130 μm
2001-2006
Euglena spirogyra
var. 3
18 samples
90-130 μm
2001-2006
E. spirogyra or Lepocinclis ?
Euglena
E. spirogyra ?
or Lepocinclis ?
115 x 36 μm
near Town Hall
Shobu
Saitama, 2004
Lepocinclis spirogyroides: Marin, B. et al., Protist 154: 99-145, 2003

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Euglena spirogyra Euglena spirogyra
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