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).
Lorica smooth (or dotted) Collar present
T. playfairi
9 samples
collar slanted
22-41 μm
1998-2005
Trachelomonas sp.
35 x 20 μm
collar present
Naruto
Chiba, 2003
Trachelomonas sp.
32 x 22 μm
collar present
Jionji-shinsui p.
Iwatsuki-ku
Saitama, 2006
T. dubia
or T. volzii ?
23 x 11 μm
Mashiko
Tochigi, 1999
T. volzii
v. cylindracea
11 samples
24-34 x μm
2003-2008
T. hexangulata
3 samples
34-38 x μm
Mizumoto Park
2006-2008Collar absent or very short (less than 1/2 of hight):
Lorica broad ellipsoidal, ellipsoidal, inverted ovoid or nearly spherical
Trachelomonas sp.
43 x 31 μm
Uruguay, 1999
Trachelomonas sp.
34 x 25 μm
Izumi 741
Namegawa
Saitama, 2004
Trachelomonas sp.
35 x 25 μm
near Town Hall
Shobu
Saitama, 2004
Trachelomonas sp.
39 x 30 μm
Naruto
Chiba, 2003
Trachelomonas sp.
30 x 19 μm
Iroha-numa
Zao mountain
Yamagata, 2005
Trachelomonas sp.
32 x 23 μm
Jionji-shinsui p.
Iwatsuki-ku
Saitama, 2006
T. dybowskii ?
33 x 23 μm
Uruguay, 1999
T. dybowskii
13 samples
broad ellipsoid
16-26 μm
2001-2006
T. oblonga ?
14 samples
14-30 x 11-23 μm
2000-2006
T. oblonga
14 samples
14-30 x 11-23 μm
2000-2006
T. ovoides
2 samples
lorica 22-27 μm
2004-2005
T. volvocina
35 samples
10-27 μm
199?-2007Collar absent or very short (less than 1/2 of hight):
Lorica elongate cylindrical or ellipsoidal
T. pulcherrima
6 samples
v. pulcherrima
17-27 μm
1998-2005
T. pulcherrima
6 samples
v. latior ?
18-27 μm
1998-2005
T. pulcherrima
7 samples
v. minor
18-27 μm
1998-2008
Trachelomonas sp.
24 x 10 μm
Uruguay, 1999
T. cylindrica
10 samples
16.5-27 μm
1998-2006
T. cylindrica ?
lorica dotted
Kashibaru m.
Karatsu
Saga, 2008
T. pusilla
μm
drainage ditch
Sakura
Chiba, 2008
T. pusilla
3 samples
18- μm
2006-2008
Trachelomonas sp.
very small
5.5 x 4 μm
Okubo Ryoke
Akigase park
Saitama, 2005Misc.
Trachelomonas ?
μm
Uruguay, 1999
Trachelomonas ?
or tested amoeba?
μm
Japan, 1998