Morphological characterization and intraspecific variation of Zoothamnium intermedium Precht, 1935 (ciliophora, peritrichia) attached to calanoid copepods int he Chesapeake Bay, USA

Utz, L. R. P. ; Coats, D. Wayne ; Small, E. B. (2008). . Journal of Eukaryotic Microbiology, 55 (4) , 297-305. http://dx.doi.org/10.1111/j.1550-7408.2008.00326.x