Genus: Body elongated; with silicious scales and often spines; two chloroplasts rod-shaped
(Kudo, 1966).
Species: Cell body μm long, μm wide
(Süßwasserflora von Mitteleuropa 1, Chrysophyceae und Haptophyceae, 1985).
Mallomonas annulata Harris ? (or M. pillula fo. valdiviana ?),
cell body 32 μm long, 10 μm wide,
x 640, Jizoh-bori at Sannoh Park, Saitama city, Saitama Pref., Japan, January 9, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 28 μm long, 11 μm wide, x 640