Abstract
Six horizons and 11 brachiopod zones are distinguished in the Permian of the Khangai-Khentei (Boreal) and South Mongolian (Tethys) marine basins of Mongolia on the base of monographic study of brachiopods and literary data on other faunal groups. The distinguished in the Permian basins of Mongolia biostratons are correlated with zonal brachiopod scales of neighboring regions of Northeast Asia. Possible bio-geographical relations of the Mongolian Permian marine basins and channels of brachiopods are analyzed. Forty-five brachiopod species are figured including species, which were first described from Mongolia, zonal index species and typical representatives of zonal assemblage.
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