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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Trachelomonas armata
(Ehrenberg) F. Stein 1878

Genus: Euglenas in a close fitting lorica; a single long flagellum extends through small opening; lorica with or without short collar; yellow to brown (How to know the protozoa, 1979). Lorica often possesses numerous spines, composed of ferric hydroxide impregnated with brown manganic compound (Kudo, 1966).
Species: 30-60 μm long, Spines around rim of collar, also on rear 1/4 of lorica, fresh water (How to know the protozoa, 1979).
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Short collar present; spines absent at anterior end
Trachelomonas armata
var. armata
36 x 28 μm
near Town Hall
Shobu
Saitama, 2004
Trachelomonas armata
var. armata
38 x 29 μm
Sano
Hakuba
Nagano, 2004
Trachelomonas
var. armata
35 x 27 μm
Junichogata
Himi
Toyama, 2006
Trachelomonas armata
var. armata
32 x 25 μm
Izumi 741
Namegawa
Saitama, 2004
Trachelomonas armata
var. armata ?
42 x 33 μm
Uruguay, 1999
Trachelomonas
var. armata
30,38 x μm
Junichogata s.k.
Himi
Toyama, 2006
Trachelomonas armata
var. armata ?
spines thin & short
32 x 24 μm
Mihashi Park
Saitama, 2002
Trachelomonas
var. armata ?
spines thin & short
32 x 26 μm
Kumano park
Higashi-Murayama
Tokyo, 2004
Collar present; spines present at both ends (anterior short, posterior long)
Trachelomonas armata
var. ovata
40 x 34 μm
Kejo-numa
Osaki
Miyagi, 2006
Collar absent; spines present at both ends (anterior short, posterior long)
Trachelomonas armata
var. steinii
44 x 35 μm
water reservoir
near Yamaguchi Univ.
Yamaguchi, 2004
Trachelomonas armata
var. steinii
40 μm
Hiroshima, 1998
Movies
Trachelomonas armata
var. steinii
40 x 31 μm
Higashi-sano
Hakuba
Nagano, 2004
Trachelomonas armata
var. steinii
or var. armata ?
36 x 30 μm
38 x 29 μm
Furuyakami
Kawagoe
Saitama, 2004
Trachelomonas armata
var. steinii
42 x 34 μm
Izumo Shrine
Izumo
Shimane, 2006
Collar absent; long spines at posterior end; lorica covered with dented projections
Trachelomonas armata
var. longispina
or var. ovata ?
43 x 33 μm
Uruguay, 1999
Trachelomonas armata
var. longispina
or T. superba ?
41 x 31 μm
USA, 1999

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Trachelomonas armata
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