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 broad ellipsoidal, 19-22 μm long, 15-17 μm wide, surface granulated, no collar but periphery of the opening thickened, 4-5 chloroplasts cup-shaped, with a pyrenoid covered by paramylon sheath (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Lorica spherical or ovoid, slightly narrowed to anterior end, 20-25 μm long, 16-18 μm wide; surface dotted; collar absent but periphery of flagellar opening thickened (Illustrations of The Japanese Fresh-water Algae, 1977).

Google Image Search

T. intermedia surface dotted 25 x 20 μm Jionji-shinsui p. Iwatsuki-ku Saitama, 2006	T. intermedia surface dotted 24 x 19 μm near Yoshino park Mitsukaido Ibaraki, 2006	T. intermedia surface dotted 20 x 17 μm Uruguay, 1999	T. intermedia surface dotted 21 x 18 μm Nagaike park Hachioji Tokyo, 2005
T. intermedia or T. hispida ? 18 x 15 μm Musashi-Urawa Saitama, 2001	Trachelomonas sp. μm Fujimi Saitama, 2003	T. intermedia 21.5 x 18 μm Jionji-shinsui-koen Iwatsuki-ku Saitama, 2006	T. intermedia 19 x 16 μm Oura central p. Oura Gunma, 2006
T. intermedia 22 x 16.5 μm Tane-ike Togakushi highland Nagano, 2006	T. intermedia 22 x 17 μm Akasaka-numa Iwatsuki-ku Saitama, 2006	T. intermedia ? 31 x 27 μm Kannon-numa Shimogo Fukushima, 2008

Simlar species -->> T. granulosa; T. dybowskii;

Please click on species name for more images.

Copyright Protist Information Server