Vd'acny 2007. Morphological and taxonomical studies on two soil haptorid ciliates (Ciliophora, Litostomatea): Clavoplites haranti sp. n. and Enchelys terrenum (Foissner, 1984) comb. n., and taxonomy of the family Enchelyidae Ehrenberg, 1838. European Journal of Protistology, 43(3), August 2007: 225-237