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).
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