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, 200-250 μm long, anterior obliquely truncated with peribuccal papillae, a flattened band present all round the periphery of the cell, sharply pointed bristles, macronucleus moniliform,a series of contractile vacuoles near dorsal surface (Carey, 1992).

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L. verrucosum 169 x 106 μm Mac. moniliform peripheral bristles Shirakawa Fukushima, 1999

L. verrucosum 106 x 87 μm Mac. moniliform peripheral bristles Shirakawa Fukushima, 1999

L. verrucosum 143 x 64 μm Mac. moniliform peripheral bristles Minuma-hikawa p. Saitama, 2002

L. verrucosum ? 134 x 70 μm Senjo-ga-hara Nikko Tochigi, 2006

Similar Genus ->> Litonotus; Amphileptus

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