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).

Similar Genus ->> Carchesium
Similar Species (cell length μm) -> V. d'udekemi (130); V. patellina (90); V. citrina (80); V. marginata (80); V. fornicata (42);

50 μm 100 μm 150 μm; x 400 : 31 μm 63 μm 94 μm; x 640