image_list image_listE

Cercomonadida:

Cercomonas sp.
Dujardin (= Cercobodo Krassilotschick)

Genus: Biflagellate, both arising from anterior end; one directed anteriorly and the other runs backward over body surface as a trailing (recurrent) flagellum; body plastic (Kudo, 1966). Small (10-15 μm); body is generally pyriform to cylindrical except for an ameboid variable posterior (Illustrated Guide, 1985).
Species:

Cercomonas sp. (?), ingesting Spirogyra, cell body 34 μm long, flagellate 19 μm diam., x 400, Japan, 199? by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Cercomonas Cercomonas Cercomonas Cercomonas Cercomonas Cercomonas Cercomonas Cercomonas Cercomonas

Cercomonas longicauda Dujardin: Cell body pyriform or ovoid, 18-36 μm long, 9-14 μm wide; posterior end drawn out; flagella as long as body; pseudopodia present; fresh water and coprozoic (Kudo, 1966).

Cercomonas crassicauda Dujardin: Cell body 10-16 μm long, 7-10 μm wide; fresh water and coprozoic (Kudo, 1966).

Please click on images for viewing enlarged.
Copyright Protist Information Server