Genus: Flask-shaped; elongate, flattened; anterior region neck-like; cilia only on right side;
without trichocyst-borders; cytostome with trichocysts; two macronuclei (Kudo, 1966).
Species:
Similar Genus ->> Loxophyllum;
Amphileptus Litonotus sp. ?,
cell body 205 μm long, 73 μm wide,
x 640, Iruma river, Sayama city, Saitama Pref., Japan, January 25, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640