Kovalchuk, Oleksandr. Department of Paleontology, National Museum of Natural History, National Academy of Sciences of Ukraine, 15 Bogdan Khmelnitsky str., Kyiv 01601 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.
Ferraris, Carl J. National Museum of Natural History, Smithsonian Institution, Washington; 545 NE Floral Place, Portland, Oregon 97232 U.S.A. carlferraris@comcast.net
Dr Carl Ferraris, of Portland, Oregon, U.S.A., has been involved for more than 25 years in fish research, with an emphasis on revisionary studies of catfishes and the nomenclature of fishes. Among the publications authored are the Checklist of Catfishes (in Zootaxa), and the Species of Fishes (in the Catalog of Fishes), as well as papers redescribing or newly describing more than 100 species of catfishes. He was an editor of the Checklist of the Freshwater Fishes of South and Central America, and Checklist of the Freshwater Fishes of the Guiana Shield, and was a Co-Principal Investigator of the recently concluded Planetary Biodiversity Inventory (PBI), Phase I: All Catfish (Siluriformes) Species Inventory (2003-2009), funded by the U.S. National Science Foundation.
