The middle and late Permian faunas from the west Qinling Mountains have suffered a replacement event during the developing history. It behaves that the fusulini
The early aged ophiolites have attracted attention of many geologists in recent decades, because the early aged ophiolites can provide the information about the
The alleged 'holotype' of the bivalve Yangtzedontaprimitiva Yu, 1985 figured by Qian (2001) is a broken and distorted specimen of the brachiopod Xianfen
The postcranial skeleton of a new specimen of the long-tailed lizard Dalinghosaurus longidigitus was excavated from the Yixian Formation in Lingyuan, western Li