Yaoshania and Erromyzon kalotaenia, a new genus and a new species of balitorid loaches from Guangxi, China (Teleostei: Cypriniformes) Author Yang, Jian State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, The Chinese Academy of Sciences, Kunming, Yunnan, 650223, P. R. China & School of Chemistry and Life Sciences, Guangxi Teachers Education University, Nanning, 530001, P. R. China. Author Kottelat, Maurice Route de la Baroche 12, Case postale 57, 2952 Cornol, Switzerland (permanent address); and Raffles Museum of Biodiversity Research, Department of Biological Sciences, National University of Singapore, Lower Kent Ridge Road, Singapore 119260, Republic of Singapore. E-mail: mkottelat @ dplanet. ch Author Yang, Jun-Xing State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, The Chinese Academy of Sciences, Kunming, Yunnan, 650223, P. R. China chenxy@mail.kiz.ac.cn Author Chen, Xiao-Yong State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, The Chinese Academy of Sciences, Kunming, Yunnan, 650223, P. R. China chenxy@mail.kiz.ac.cn text Zootaxa 2012 2012-12-14 3586 173 186 journal article 1175-5326 5B387626-0565-4363-8CC0-7EC92D72E95C Key to species of Erromyzon 1a. No blotches or bars on flank....................................................................... E. yangi 1b. 9–20 blotches or bars on flank........................................................................... 2 2a. 17–20 irregular bars on flank.................................................................... E. sinensis 2b. 9–12 blotches or bars on flank........................................................................... 3 3a. Squarish blotches on flank, only 1/3 of depth body, as wide as interspaces, not reaching dorsal midline........ E. kalotaenia 3b. 12 bars on flank, continuous across back......................................................... E. compactus