Reference

Wilhelm Foissner, S.Y. Moon-van der Staay, G.W.M. van der Staay, Johannes H.P. Hackstein, Wolf-Dietrich Krautgartner, Helmut Berger (2004): Reconciling classical and molecular phylogenies in the stichotrines (Ciliophora, Spirotrichea), including new sequences from some rare species – Europ. J. Protistol. – 40: 265 - 281.