Genus: Body elongated; with silicious scales and often spines; two chloroplasts rod-shaped
(Kudo, 1966).
Species:
Mallomonas sp.1 (ploessi ?),
cell body 24 μm long, 12 μm wide, spines 17 μm long,
x 400, Japan, 199? by Y. Tsukii
50 μm
100 μm
150 μm; x 400
M. ploessii: 30 μm long; body long-ovate;
two rod-like chloroplasts; fresh water (How to know the protozoa, 1979).