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Oligohymenophorea: Peritrichia: Sessilida: Vorticellidae

Vorticella campanula
Ehrenberg, 1831

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).

Species: Usually in groups; endoplasm filled with refractile reserve granules; vestibule very large with an outer pharyngeal membrane; cell body 50-157 μm long, 35-99 μm wide, peristome 60-125 μm wide (Kudo, 1966). Cell body 80 μm long (Kahl, 1930).

Vorticella campanula, cell body μm long, μm wide, peristome μm wide, Japan, 1998 by Y. Tsukii

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