Valentin Nesin. Department of Paleontology, National Museum of Natural History, National Academy of Sciences of Ukraine, 15 Bogdan Khmelnitsky str., Kyiv 01030 Ukraine, inesina@mail.ru
Dr Valentin Nesin, of Kyiv, Ukraine, is a senior researcher and curator of Cenozoic mammals in the Department of Palaeontology, National Museum of Natural History of the National Academy of Sciences of Ukraine, specialist in the field of palaetheriology. Scientific interests are related to morphology, taxonomy, historical faunistics and palaeoecology of Neogene small mammals of Ukraine.
Oleksandr Kovalchuk. Department of Paleontology, National Museum of Natural History, National Academy of Sciences of Ukraine, 15 Bogdan Khmelnitsky str., Kyiv 01030 Ukraine, biologiest@ukr.net
Dr Oleksandr Kovalchuk, of Kyiv, Ukraine, is a researcher and curator of Cenozoic fish paleontology in the Department of Palaeontology, National Museum of Natural History of the National Academy of Sciences of Ukraine, specialist in the field of palaeoichthyology. Scientific interests are related to morphology, taxonomy, historical faunistics and palaeoecology of Neogene and Anthropogene freshwater fishes of Southeastern Europe.