Yang Zhongjian
The family Mamenchisauridae was first erected by Chinese paleontologists Yang Zhongjian ("C.C. Young") and Zhao Xijin in 1972, in a paper describing "Mamenchisaurus hochuanensis". Other members of Mamenchisauridae include "Chuanjiesaurus", "Datousaurus", "Eomamenchisaurus", "Huangshanlong", "Hudiesaurus", "Klamelisaurus", "Qijianglong", "Tienshanosaurus", "Omeisaurus", "Tonganosaurus", "Wamweracaudia", "Xinjiangtitan", "Yuanmousaurus", "Zigongosaurus".