Genus: Body elongated; with silicious scales and often spines; two chloroplasts rod-shaped
(Kudo, 1966).
Species:
Mallomonas papillosa (or M. heimii or M. pediculus ?),
cell body 22 μm long, 15 μm wide, spines about 18 μm long,
x 400, Japan, 1998 by Y. Tsukii
50 μm
100 μm
150 μm; x 400