1. J. Berger, 1961 .Morphology and systematic position of Schizocaryum dogieli, a ciliate entocommensal in strongylocentrotid echinoids (Ciliata: Trichostomatida)., Journal of Protozoology, 8 :363 –369 .
2. Description of Anophryoides haemophila n. sp. (Scuticociliatida:Orchitophryidae), a pathogen of American lobsters Homarus americanus
3. P. de Puytorac, C. Grolière, M. Roque, and R. Detcheva .1974 .À propos d'un cilié Philasterina trouvé dans la cavité générale du polychète Nereis diversicolor O. F. Müller., Protistologica, 10 :101 –111 .[In French.].
4. P. De Rijk, and R. De Wachter .1993 .DCSE, an interactive tool for sequence alignment and secondary structure research., CABIOS, 9 :735 –740 .
5. H. J. Elwood, G. J. Olsen, and M. L. Sogin .1985 .The small subunit RNA gene sequences from the hypotrichous ciliates Oxytricha nova and Stylonychia pustulata., Journal of Molecular Biology and Evolution, 2 :399 –410 .