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: Lorica elongated cylindrical, covered with short spines, collar absent, about 24 μm long, 13 μm wide (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

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T. klebsii 32 x 21 μm Imori pond Myoko highland Niigata, 2004	T. klebsii 30 x 18 μm Omine-numa Tsukiyono Gunma, 2003	T. klebsii 25 x 14 μm near Omine-numa Minakami Gunma, 2007	T. klebsii 28 x 19 μm Oze-ga-hara Katashina Gunma, 2006
T. klebsii 28 x 19 μm near Imori pond Myoko highland Niigata, 2004	T. klebsii 28 x 15 μm Dojo-ike Norikura highland Nagano, 2006	T. klebsii 24 x 15 μm Otto-Numa Tsuchiura Ibaraki, 2002	T. klebsii 23 x 13.5 μm Senjo-ga-hara Nikko Tochigi, 2003
T. klebsii 31 x 19 μm Kashibaru m.4 Karatsu Saga, 2006	T. klebsii μm Kashibaru m.2 Karatsu Saga, 2008	T. klebsii μm Kashibaru m.3 Karatsu Saga, 2008
T. klebsii ? or T. allia ? μm Maruyama Park Saitama, 2002	T. klebsii ? or T. allia ? collar absent 21 x 15 μm Japan, 2000	T. klebsii ? or T. allia ? 22 x 19 μm Itakura Gunma, 2003	T. klebsii ? or T. allia ? Kareki-numa Nikko Tochigi, 2008

Similar species -- >> T. allia (broad cylindrical, spiny); T. hispida (ellipsoidal, spiny); T. abrupta (cylindrical/ellipsoidal, dotted); T. lacustris (elongated cylindrical, dotted);

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