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).
Species: Rose-colored or colorless; 200-400 μm long; macronucleus oval; ciliation uniform (Kudo, 1966). |
Images of collecting locality:
No. 5, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii