Genus: Elongate, flattened; flexible, ribbon-like; anterior end neck-like and tip truncate; cytopharynx narrow,
with trichocysts; two macronuclei; contractile terminal (Kudo, 1966).
Apex a low dome, not ventrally bent; body much flattened (Illustrated Guide, 1985).
Neck is truncated transversely and carries a short snout-like tip (Carey, 1992).
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
