Reference

Monika Bauer-Nebelsick, Christian F. Bardele, J.A. Ott (1996): Electron microscopic studies on Zoothamnium niveum (Hemprich & Ehrenberg, 1831) Ehrenberg, 1838 (Oligohymenophora, Peritrichida), a ciliate with ectosymbiotic, chemoautotrophic bacteria – Europ. J. Protistol. – 32: 202 - 215.