PRIMARY EXPLORATION OF NEW STATISTICAL METHODS IN SYSTEMATIC PALAEONTOLOGY——EXAMPLE OF EARLY SILURIAN GLYPTORTHIS FROM T系统古生物研究中的统计新方法初探——以浙赣边区志留纪初期雕正形贝属为例
THE EARLIEST SILURIAN CATHAYSIORTHIS FAUNA(BRACHIOPODS) OF E CHINA AND ITS EVOLUTIONARY SIGNIFICANCE华东志留纪最早期的华夏正形贝动物群及其宏演化意义