Abstract

Zoogeographical regionalization of the territory of the former USSR based on distribution of terrestrial reptiles is presented. A scheme of the zoogeographical subdivisions based on cluster analysis using Jaccard coefficients of the distribution of terrestrial reptiles is given. Reptilian fauna of the former Soviet Union is composed of 3 orders, 18 families, 59 genera, and 175 species. The areas compared were the 130 primary areas. These areas were delimited through examination of areal borders of families of reptiles. On the basis of source literature, the paper presents the analysis of spatial distribution of reptiles in 130 primary areas of the former USSR. According to the scheme of zoogeographic divisions the territory constitutes a part of the Palaearctic zoogeographical region, with 8 subregions (Euro-Siberian forest, Eastern-Asian forest, Eurasian steppe-semidesert, Mediterranean mountain-forest, Asian Anterior desert, Sahara-Gobian desert, Middle-Asian mountain, and Central-Asian mountain), 22 superprovinces, and 64 provinces.

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