The study of Ukrainian Paleozoic conodonts began in the 1960s in western Ukraine, when Danylo Drygant (State Museum of Natural History, L’viv) started to investigate the Silurian and Devonian conodonts of the Podolian and Volhynian sections. The Carboniferous conodonts of the Donets Basin, Dnieper-Donets Depression and L’viv-Volhyn Basin began to be studied in the early 1970s by four students of Prof. Dr. David Ye. Aisenverg: Oleg Ye. Kotlyar, Oleg M. Lipnyagov, Raisa I. Kozitska and Tamara I. Nemyrovska (Institute of Geological Sciences NASU). Carboniferous conodonts from the boreholes of the southwestern part of the Donets Basin were studied by Zoya A. Kossenko from “Artemgeology” in the town of Artemovsk, now Bakhmut. During their investigations a great number of new Carboniferous genera and species were described and the Carboniferous conodont zonation of the Donets Basin was constructed. In addition, Carboniferous conodonts from different areas of Europe and Asia were studied to provide reliable correlation to the Donets Basin, resulting in publication of many pertinent taxonomic and biostratigraphic papers. Several conodont species established in the Donets Basin were proposed as markers for the global Bashkirian/Moscovian and Moscovian/Kasimovian boundaries. A significant extinction of Early Carboniferous conodonts was defined for the first time in Eastern Europe at the Mississippian–Pennsylvanian boundary in the Kal’miuss section of the Donets Basin. It was one of the first sections proposed as a candidate for the Mid-Carboniferous boundary GSSP.

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