image_list image_listE

Chrysophyceae: Ochromonadales: Ochromonadaceae
Chrysomonadida: Ochromonadidae

Monas sp.

Monas Genus: Solitary or colonial; body surface delicate; one to two chloroplasts; usually with a stigma; fresh water (Kudo, 1966). One to several chloroplasts; pyrenoid and/or eyespot (stigma) in some; cells naked, globular, ellipsoidal or pyriform (Illustrated Guide, 1985).

Monas, a dividing cell, cell body spherical 15 μm in diam., a long flagellum μm in length, a short flagellum μm in length, x 400, x 640, Japan, April 1999, by Y. Tsukii
scale 20 μm scale 40 μm scale 60 μm; x 1000
Monas Monas Monas Monas
Monas Monas Monas

Monas, a dividing cell, x 400, x 640, April 1999, by Y. Tsukii
Monas Monas Monas Monas

O. mutabilis Klebs: Ovoid to spherical; plastic; 15-30 μm long, 8-22 μm wide (Kudo, 1966). Resembles Chromulina; 1-2 chloroplasts; usually a stigma (How to know the protozoa, 1979).

O. granularis Doflein: 5-12 μm long; no stigma (Kudo, 1966).

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