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:

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D. divergens cell μm lorica μm Hanyu Saitama, 2003	D. divergens cell 17 μm lorica 47 μm Jizoh-bori Sannoh Saitama, Jan. 2005	D. divergens cell 16 x 6 μm lorica 45 x 9 μm Jizoh-bori Sannoh Saitama, Apr. 2005	D. divergens or D. sertularia ? lorica 38 μm Watarase Wetland Fujioka Tochigi, 2005
D. divergens lorica μm Water reservoir Sakura Chiba, 2008

Similar Genus ->> Hyalobryon; Bicoeca petiolata

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