image_list image_listE

Cryptophyceae: Cryptomonadales: Goniomonadaceae
Cryptomonadida

Goniomonas truncata
Syn. Cyathomonas truncata (Fresenius) Fisch, 1885

Goniomonas Genus: Small, oval, compressed, anterior end obliquely truncate; without chloroplasts; with two equal or subequal anterior flagella; colorless; contractile vacuole anterior (Kudo, 1966).
Species: Cell body 15-25 μm long, 10-15 μm wide (Kudo, 1966). 15-30 μm long; body nearly oval; no chloroplasts; reservoir-pocket distinct, surrounded by ring of bright-appearing granules; stored carbohydrates stain red with iodine; stagnant water or infusion (How to know the protozoa, 1979).


Goniomonas truncata, cell body 9 μm long, 7 μm wide, x 640, Otto-Numa (pond) Chosei-chi, Tsuchiura city, Ibaraki Pref., Japan, July 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Goniomonas

C. truncata Ehrenberg: 15-25 μm long, 10-15 μm wide (Kudo, 1966). 15-30 μm long; body nearly oval; no chloroplasts; reservoir-pocket distinct, surrounded by ring of bright-appearing granules; stored carbohydrates stain red with iodine; stagnant water or infusion (How to know the protozoa, 1979).


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