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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Similar Genus ->> Hyalobryon; Bicoeca petiolata
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