本文还对笔石动物群的性质进行了分析，与邻区和国外相当地层进行了对比，并讨论了本区寒武系与奥陶系界线。
The nature of graptolite fauna, the correlation of the graptolite-bearing strata with that in other area and the Cambrian-Ordovician boundary are also discussed.
探讨了末次冰期以来西太平洋暖池区浮游有孔虫动物群变化对环境和全球气候变化的响应。
Variation of planktonic foraminiferal fauna in the Western Pacific Warm Pool (WPWP) since the last glacial and its respondence to global changes are discussed.
清河镇动物群的存在说明我国北部地槽区早古生代早期的一次重大生物事件。
The discovery of the Qinghezhen fauna shows that during the Early Palaeozoic there occurred a significant event in the North China geosyncline.
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