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Pavlovi
Natural History Museum, Beograd, Njego
eva 51, Yugoslavia
Eastern Serbia has black graptolitic shale from early Llandovery to early Devonian times. Tectonic disturbances prevent examination of a continuous sequence, but twenty-four zones have been established with 175 species and subspecies identified. Serbian graptolites and sediments compare well with those in Bulgaria and with the Carpathian-Balkanic Arch in particular, and in general with successions in the Alpine structural province. Closest comparisons can be made with the Bohemian assemblages.