1. Chengalath, R., 1976. Littoral Rotifera of Ontario ? The genus Lepadella Bory de St. Vincent. Can. J. Zool. 54: 901?907.
2. De Ridder, M., 1981. Rotifera. In: J. J. Symoens (ed.): Hydrobiological survey of the lake Bangweulu Luapula river basin 11(4), Cercle Hydrobiologique de Bruxelles, Brussels, Belgium. 191 pp.
3. De Ridder, M., 1991. Rotifers from Algeria. J. Afr. Zool. 105: 473?483.
4. De Smet, W., 1989. Contributions to the rotifer fauna of the Bas-Za�re. 1. The rotifers from some small ponds and a river. Biol. Jb. Dodonaea 56: 115?131.
5. Dumont, H. J. & M. De Ridder, 1987. Rotifers from Turkey. Hydrobiologia 147: 65?73.