1. Albrecht, J., 1984. Zur Autökologie ausgewählter Aufwuchsciliaten des Weser-Flußsystems (Protozoa: Ciliophora). Decheniana 137: 132–167.
2. André, E., 1914. Recherches sur la faune pélagique du Léman et description de nouveaux genres d'infusoires. Revue suisse Zool. 22: 179–193.
3. Augustin, H., W. Foissner & H. Adam, 1984. An improved pyridinated silver carbonate method which needs few specimens and yields permanent slides of impregnated ciliates (Protozoa, Ciliophora). Mikroskopie 41: 134–137.
4. Ax, P. & R. Ax, 1960. Experimentelle Untersuchungen über die Salzgehaltstoleranz von Ciliaten aus dem Brackwasser and Süßwasser. Biol. Zbl. 1: 7–31.
5. Barwick, R. E., P. J. Beveridge, R. G. Brazier, R. I. Close, N. Hirschfeld, S. Pillai, G. W. Ramsay, E. S. Robinson, G. R. Stevens & I. M. Todd, 1955. Some freshwater ciliates from the Wellington area including eleven species recorded from N.Z. for the first time. Tuatara 5: 87–99.