Genus: Solitary or colonial; individual with tubular test; young individuals are
attached to the exterior of parent tests (Kudo, 1966).
Loricas tubular, attached to sides of one another (How to know the protozoa, 1979).
lorica 21 μm long, 8 μm wide, L/W=2.6,
x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
94 μm; x 640