Genus: Body elongated; with silicious scales and often spines; two chloroplasts rod-shaped
(Kudo, 1966).
Species:
Mallomonas robusta Matvienko ?,
cell body 30 μm long, μm wide,
spines emerging only from anterior end of the cell body (or at the base of flagellum),
x 640, Lake Biwa, Maihara city, Shiga Pref., Japan, June 2003, by Y. Tsukii
31 μm
63 μm
94 μm; x 640