supported by National Natural Science Foundation of China(Grant Nos.41162002 and 41172019);State Key Laboratory of Palaeobiology and Stratigraphy(Grant No.123104);Cypriniformes Tree of life under the U.S.National Science Foundation to R.Mayden(Grant No.EFO431326);Natural Science Foundation of Guangxi(Grant No.2013GXNSFAA019284)
Fossil cyprinids from the upper part of the upper Eocene Youganwo Formation of Maoming, Guangdong, China were first studied in 1957 by Liu, who referred the only specimen to the genus Cyprinus as a new species, C. mao...