太平洋地区构造再造的生物地理约束ＰａｕｌＢｅｌａｓｋｙ北美西部貌似二叠纪地体中存在着特提斯生物分类单元已有很好的文献说明。然而，其成因仍是一个争论的话题。该成因主要有这样几种假设：（１）幼虫或成虫越过太平洋向东扩散；（２）通过特提斯海和太平洋之间的海... Biogeographic Constraints on Tectonic Remaking in the Pacific Paul Belasky There are well-documented sources of Tethys taxonomic units in the seemingly Permian terrain of western North America. However, its cause is still a topic of debate. The causes mainly include the following assumptions: (1) larvae or adults spread eastward across the Pacific; (2) passing the sea between the Tethys and the Pacific Ocean ...