Life Effects of Brachiopoda Rhynchospirifer and Stringocephalus of the Givetian Period on the Environmental Elements and广西横县六景吉维特期腕足类Rhynchospirifer和Stringocephalus的环境元素和稳定同位素生物效应
LATE CARBONIFEROUS BIPOLAR DISTRIBUTIONS BASED ONGENERA OF BRACHIOPODA AND ITS SIGNIFICANCE晚石炭世腕足动物部分属的两极分布及其意义