Reference

S.L. Schmidt, D. Bernhard, Martin Schlegel, Wilhelm Foissner (2007): Phylogeny of the Stichotrichia (Ciliophora; Spirotrichea) reconstructed with nuclear small subunit rRNA gene sequences: discrepancies and accordances with morphological data – J. Eukaryot. Microbiol. – 54: 201 - 209.