Genus: Unicellular, solitary or gregarious; cells flask-shaped composed of globose basal portion and
a narrow cylindrical gelatinous sheath, with a long fine seta extending from the cell through
the sheath (Photomicrog. Fresh-w. Alg. 4, 1985).
Species: Cells 10-20 μm in diameter at the base (Photomicrog. Fresh-w. Alg. 4, 1985).
Coleochaete sp. ?,
cell body 17 μm long, 14 μm wide, L/W=1.2,
x 640, a small pond at Obihiro University of Agriculture and Veterinary Medicine, Obihiro city, Hokkaido, Japan, October 13, 2005 by Y. Tsukii
50 μm 100 μm 150 μm; x 400