Marine College;
Shandong University;
Weihai 264209;
China;
Institute of Evolution and Marine Biodiversity;
Ocean University of China;
Qingdao 266003;
China;
Zoology Department;
College of Science;
King Saud University;
Riyadh 11451;
Saudi Arabia;
Department of Life Sciences;
Natural History Museum;
London SW75BD;
UK;
Weishan Fishery Development Service Center;
Jining 277600;
China;
Ectoparasite; Parapiosoma gen.nov.; Sessilid peritrichs; Systematics;