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 27-33 μm long, 15-16 μm wide (Ciugulea I. & Triemer R.E., A Color Atlas of Phtosyntetic Euglenoids, Michigan State University Press, 2010)

31 μm 63 μm 94 μm; x 640

Images of collecting locality: a pond at Izumo Shrine, Izumo city, Shimane Pref., Japan, September 22, 2006 by Y. Tsukii