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).

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D. sertularia 39 samples lorica 18-40 μm 199?-2008	D. sertularia 39 samples lorica 18-40 μm 199?-2008	Dinobryon sp. D. sertularia ? cell 15 x 7 μm 30-37 x 10-11 μm Ukishima marsh Tsugaike highland Nagano, 2005	Dinobryon sp. D. sertularia ? lorica 30-45 x 9 μm Oze s.k.m. Oze-ga-hara Gunma, 2006
D. cylindricum var. palustre cell 37 x 5 μm lorica 60-65 x 7 μm Akigase Park Saitama, 2002	D. cylindricum or D. sertularia ? cell 18 x 5.5 μm lorica 40-43 x 8 μm Ushidome-ike Norikura highland Nagano, 2005	D. cylindricum or D. sertularia ? cell μm lorica μm Water reservoir Sakura Chiba, 2008
D. crenulatum ? cell μm lorica μm Japan, 199?	D. divergens 5 samples cell 15-17 μm lorica 38-47 μm 2003-2008

Similar Genus ->> Epipyxis (=Hyalobryon); Bicoeca petiolata

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