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 20 μm long, 15 μm wide, L/W=1.3,
x 640, Iroha-numa (marsh), Zao mountain, Yamagata city, Yamagata Pref., Japan, July 9, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640