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: Colonies planktonic, brached; lorica base-like, with wide opening; lateral margins of lorica smooth, slightly swelled; 24-45 μm long, 8-14 μm wide (Photomicrographs of the Freshwater Algae, vol. 2, 1984). Lorica 30-45 μm long, 10-15 μm wide, opening 10-15 &956;m wide (Illustrations of The Japanese Fresh-water Algae, 1977). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
