Reference

Detlef Bernhard, Detlev Leipe, M.L. Sogin, K.M. Schlegel (1995): Phylogenetic relationships of the Nassulida within the phylum Ciliophora inferred from the complete small subunit rRNA gene sequences of Furgasonia blochmanni, Obertrumia georgiana, and Pseudomicrothorax dubius – J. Euk. Microbiol. – 42: 126 - 131.