Genus: Solitary, but often gregarious; myoneme continuous within full length of stalk (Illustrated Guide, 1985). Species: Cell body 42 μm long (Kahl, 1930).

Similar Genus ->> Campanella; Rhabdostyla; Opisthostyla;
Similar Species (cell length μm) -> V. d'udekemi (130); V. citrina (80); V. patellina (90); V. campanula (80);

V. campanula: Usually in groups; endoplasm filled with refractile reserve granules; vestibule very large with an outer pharyngeal membrane; 50-157 μm by 35-99 μm; peristome 60-125 μm wide (Kudo, 1966).