Genus: Colonial; without lorica; individuals clustered at the end of a stalk;
stalks yellow or brownish and usually bent (Kudo, 1966).
Anthophysis vegetans ?,
cell body 12 μm long, 5 μm wide, L/W=2.4,
x 640, Watari mizube-no-gakkou, riverside park of Abukuma river, Fukushima city, Fukushima Pref., Japan, October 28, 2005 by Y. Tsukii
150 μm; x 400