1. Atlas of Free-living Ciliates;Alekperov,2005
2. Phylogenetic relationships within peniculine ciliates and the paraphyly of Frontonia;Andreoli;Protistology,2007
3. Phylogenetic relationships within frontoniids;Andreoli;J. Eukaryot. Microbiol.,2007
4. Notes on Colorado protozoa with descriptions of new species;Beardsley;Trans. Am. Microsc. Soc.,1902
5. A study of spiraling in the ciliate Frontonia with a review of the genus and description of two new species;Bullington;Arch. Protistenk.,1939