Redefinition and reassignment of the 18-cirri genera Hemigastrostyla, Oxytricha, Urosomoida, and Actinotricha (Ciliophora, Hypotricha), and description of one new genus and two new species
The Key Laboratory of Biomedical Information Engineering, Ministry of Education, School of Life Science and Technology, Xian Jiaotong University, Xian, China