Family: Solitary, gregarious, or colonial; most are aloricate, some form lorica; each zooid has its own, independently contractile myoneme in full length of stalk.
Genus: Solitary, but often gregarious; myoneme continuous within full length of stalk (Illustrated Guide, 1985).

Vorticella sp., a telotroch , Japan, 1998 by Y. Tsukii