Genus: Flask-shaped; elongate, flattened; anterior region neck-like; cilia only on right side;
without trichocyst-borders; cytostome with trichocysts; two macronuclei (Kudo, 1966).
Similar Genus ->> Loxophyllum;
Amphileptus Litonotus sp. (dusarti or anguilla ?),
cell body 115 μm long, 25 μm wide, with two spherical macronuclei,
x 640, Watarase river, Ashikaga city, Tochigi Pref., Japan, February 1, 2004 by Y. Tsukii
94 μm; x 640