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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 (or D. sertularia ?), lorica 40-43 μm long, 8 μm wide, cell body 18 μm long, 5.5 μm wide, x 640, Ushidome-ike (pond), Norikura highland, Azumi village, Nagano Pref., Japan, May 28, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Dinobryon Dinobryon Dinobryon Dinobryon Dinobryon

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