Reference

Wilhelm Foissner, Khaled A. S. AL-Rasheid (2007): Notes on soil ciliates (Protozoa, Ciliophora) from the Netherlands, with description of *Keronopsis schminkei* nov. spec. and *Apobryophyllum schmidingeri* nov. spec. – Acta Protozool. – 46: 201 - 220.