Genus: When extended, trumpet-shaped or cylindrical; highly contractile; some with
mucilaginous lorica; conspicuous peristomal field frontal; contractile vacuole anterior-left; fresh water
(Kudo, 1966).
Stentor, x 100, x 400, Aug. 7-13 1999, Vermont-Maine U.S.A., by Y. Tsukii
50 μm
100 μm
150 μm; x 400
A dividing cell, x 100, x 200, x 400