Reference

D. Ji, Weibo Song, Khaled A. S. AL-Rasheid, Ping Sun (2005): Description of Zoothamnium foissneri n. sp. and redescription of Z. duplicatum Kahl, 1933 and Z. mucedo Entz, 1884, three species of marine peritrichous ciliates – Eur. J. Prot – 41: 45 - 56.