Palaeogeography and environment of the Late Miocene Soricidae (Mammalia) faunae of the Pannonian Basin

Mészáros, L. Gy. (2000) Palaeogeography and environment of the Late Miocene Soricidae (Mammalia) faunae of the Pannonian Basin. Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae - Sectio Geologica, 33. pp. 107-120. ISSN 0365-0634

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Abstract

The article presents the palaeobiogeographical and palaeoecological results of the examinations of eleven Vallesian and Turolian shrew faunae found in the Pannonian Basin. While in the MN 9-ll Zones of the Late Miocene in the greater part of Europe a subtropical clirnate was dominant, the Soricidae and other vertebrate fauna elements in the Pannonian Basin's northern and western areas which had become lands reflect much more extreme conditions; forests and grassland plains alternated with each other, and in places desert tracts may have appeared. Probably the wind-sheltering effect of the Alps and Carpathians, which by the MN 9 Zone already had profiles of high mountain ranges, created the drier and, from the point-of-view of temperature, more extreme climate. This is supported by the fact that the migrations and evolutionary connections of the Soricidae faunae show the Pannonian Basin to have been elosed to the north and west, and open to the south. In the MN 10-11 Zones the parts of Transdanubia which had become island sometimes became isolated from the eastern mainland of the Pannonian Basin.

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