image_list image_listE

Chrysophyceae: Ochromonadales: Dinobryaceae

Dinobryon cylindricum
Imhof, 1883 var. palustre Lemmermann
Syn.: D. cylindrica Imhof

Dinobryon cylindricum Genus: Solitary or colonial; individuals with vase-like, hyaline, but sometimes, yellowish cellulose lorica, drawn out at its base; one to two lateral chromatophores (chloroplasts); usually with a stigma; in colonial forms daughter individuals remains attached to the inner margin of aperture of parent loricas and there secrete new loricas; (Kudo, 1966).
Species: Lorica elongated, slightly curved, 50-120 μm long, 10 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar Genus ->> Hyalobryon; Bicoeca petiolata


Dinobryon cylindricum var. palustre Lemmermann , cell body μm long, μm wide, L/W=, x 640, Water reservoir, Someino, Sakura city, Chiba Pref., Japan, March 16, 2008 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Dinobryon cylindricum Dinobryon cylindricum Dinobryon cylindricum

Images of collecting locality: Water reservoir, Someino, Sakura city, Chiba Pref., Japan, March 16, 2008 by Y. Tsukii


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