1 Introduction In a recent paper, Qian (2001) claimed that Yangtzedonta primitiva Yu, 1985 is a junior synonym of Xianfengella prima He and Yang, 1982. He also supposed that Maikhanella pristinis (Jiang), Heraultipegma yunnanense He and Yang and Xianfengoconcha elliptica Zhang were representatives of the early evolutionary sequences of shelled molluscs. Herein, Qian’s conclusion are further considered. 2 The Genuine Holotype of Yangtzedonta primitiva Yu In 1985, the author erected …