Sphenostomella Jankowski 1985

Jankowski 1985. Phylum Ciliophora Doflein, 1901. Lee, J.J.; Hutner, S.H.; Bovee, E.C.[Eds]. An illustrated guide to the Protozoa., Society of Protozoologists, Kansas, 1985: i-ix, 1-629. Chapter pagination: 393-575