Genus: Ventral side with a hyaline border, reaching posterior end and bearing trichocysts; dorsal side with either similar trichocyst-border or with trichocyst-warts (Kudo, 1966). Species: Cell body broad, 120 μm long, ovoid in shape, laterally flattened, a flattened band with trichocysts present all around the periphery of the cell, peribuccal papillae present, macronucleus moniliform, contractile vacuoles present at dorsal surface (Carey, 1992).

50 μm 100 μm 150 μm; x 400

L. kahli Dragesco, 1960: Cell body broad, 120 μm long, ovoid in shape, laterally flattened, a flattened band with trichocysts present all around the periphery of the cell, peribuccal papillae present, macronucleus moniliform, contractile vacuoles present at dorsal surface (Carey, 1992).