Institute of Evolution & Marine Biodiversity Ocean University of China Qingdao 266003 ChinaKey Laboratory of Mariculture Ocean University of China Ministry of Education Qingdao 266003 China;
Institute of Evolution & Marine Biodiversity Ocean University of China Qingdao 266003 ChinaKey Laboratory of Mariculture Ocean University of China Ministry of Education Qingdao 266003 China;
Institute of Evolution & Marine Biodiversity Ocean University of China Qingdao 266003 ChinaKey Laboratory of Mariculture Ocean University of China Ministry of Education Qingdao 266003 China;
Department of Biological Sciences Smith College Northampton MA 01063 USA;
Institute of Evolution & Marine Biodiversity Ocean University of China Qingdao 266003 ChinaKey Laboratory of Mariculture Ocean University of China Ministry of Education Qingdao 266003 China;
Institute of Evolution & Marine Biodiversity Ocean University of China Qingdao 266003 ChinaKey Laboratory of Mariculture Ocean University of China Ministry of Education Qingdao 266003 ChinaDepartment of Biological Sciences Smith College Northampton MA 01063 USA;
ciliates; SSU rDNA; sequence variation; phylogenetic analyses; rDNA copy number; ecological significance;