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:
Similar species -- >>T. allia (broad cylindrical, spiny);
T. klebsii (cylindrical, spiny);
T. abrupta (cylindrical/ellipsoidal, dotted);
Trachelomonas hispida ?,
lorica 24 μm long, 19 μm wide, spines about 2 μm long,
x 640, a small pond at Nagaike park, Hachioji city, Tokyo, Japan, April 6, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Trachelomonas robusta Swirenko:
Lorica nearly spherical or ovoid, covered with short spines; no collar;
20-26 μm long,
17-22 μm diam.
(Illustrations of The Japanese Fresh-water Algae, 1977).