Reference
Wilhelm Foissner, Sabine Agatha, Helmut Berger (2002): Soil Ciliates (Protozoa, Ciliophora) from Namibia (Southwest Africa), with Emphasis on two Contrasting Environments, the Etosha Region and the Namib Desert. (2 Vols.) – Denisia – 0005: 1 - 1459.