三叶虫 [
sān yè chóng]

trilobite
- 新的划分方案包括1个“前三叶虫统”和3个“三叶虫优势统”,反映了寒武纪生命发展的主要阶段。
The new framework, comprising a pre-trilobite series and three trilobite-dominated series, reflects the major evolutional stages of the life on Earth during Cambrian Period. - 在中奥陶世晚期至奥陶纪末,二郎坪海槽的腹足类、头足类和珊瑚与浙川陆棚的牙形石、珊瑚、腕足类、头足类和三叶虫均属华北生物省。
From the late Middle Ordovician to the end of Ordovician, the cephalopods, gastropods and corals in the Erlangping trough, and the conodonts, coral, brachiopods, cephalopods as well as trilobites in the Xichuan shelf were from the North China Province. - 在寒武纪至中奥陶世早期,东秦岭北部二郎坪海槽的寒武纪放射虫和早奥陶世牙形石与东秦岭南部浙川陆棚北部的寒武纪三叶虫、早奥陶世牙形石和头足类属华南生物省,而浙川陆棚南部的寒武纪三叶虫和早奥陶世牙形石属于华南生物省,兼有华北生物省分子。
From the Cambrian to the early Middle Ordovician, the Cambrian radiolaria and the Early Ordovician conodonts of the Erlangping trough in the northern part of EQM, and the Cambrian trilobites and Early Ordovician conodonts as well as cephalopods of the northern Xichuan shelf in the southern part of EQM belonged to the South China Province, while the Cambrian trilobites and the Early Ordovician conodonts of the southern Xichuan shelf belonged to the South China Province with some elements of the North China Province.
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