conodont造句

1、We also concisely described the characteristics of the conodont fauna through the boundary strata.
本文对深海硅质岩系中这一界线地层牙形石动物群特征进行了简要的描述。

2、MIDDLE AND LATE CARBONIFEROUS CONODONT BIOSTRATIGRAPHY OF NORTH CHINA
华北中、晚石炭世牙形石生物地层

3、A New Conodont Genus-Tarimognathm(GenNov)from Early Permian
早二叠世牙形类的一个新属──Tarimognatus（Gen．Nov．）