Spirotrichea: Heterotrichia: Blepharismidae: BlepharismaBlepharisma lateritium
(Ehrenberg, 1831) Kahl, 1932
Genus: Elongate, ovoid; anterior apex often curves over the peristome; non contractile (Carey, 1992).
In front of cytostome a two-layered undulating membrane on right edge; contractile vacuole and
cytopyge terminal; rose-colored; many species (Kudo, 1966).
Species: 60-200 μm long; 38-50 μm wide; cell body pointed anteriorly, rounded posteriorly, usually colored pale pink, but sometimes colorless; undulating membrane short, narrow; peristome extending half the body length; macronucleus ovoid; five or six micronuclei; contractile vacuole large (Giese, 1973).
Images of collecting locality:
Suijo Park, Gyoda city, Saitama Pref., Japan, March 11, 2006 by Y. Tsukii