Acta Zoologica Cracoviensia, 36(2) 1993

Issue:

VOL 36(2) 1993

Keywords:

Fossil mammals, Rodentia, Microtocricetus, Miocene, Poland

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Microtocricetus molassicus Fahlbusch and Mayr, 1975 (Rodentia, Mammalia) from the Miocene of Bełchatów (Poland)

• Kazimierz KOWALSKI

Abstract:

Isolated molars of Microtocricetus molassicus have been found in lacustrine carbonate sediments in the upper part of the profile in the brown-coal mine at Bełchatów (Bełchatów-A ). So far this species has been known from several Early Vallesian (MN9) fossil localities in central and eastern Europe. Sarmatomys podolicus TOPACHEVSKY and SKORIK, 1988 is a synonym of M. molassicus. The discovery of Microtocricetus molassicus makes it possible to determine the time of the end of brown coal sedimentation at Bełchatów.