The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Author Heok Hee Ng text Zootaxa 2004 531 1 52 http://www.zoobank.org/urn:lsid:zoobank.org:pub:C2558C86-B7AE-4D51-8B44-0BB2828F100C journal article z00531p001 M. polli : MRAC 119547, holotype, 32.0 mm SL; Guinea: Gbin River (photograph examined). MRAC 172458-172460 (3), 25.0-27.0 mm SL; Congo Democratic Republic: Kinshasa, Stanley Pool. MRAC 88-01-P-2122 (1), 35.1 mm SL; Congo Democratic Republic: Kinshasa, rapids at the exit of Stanley Pool. MRAC 88-01-P-2126-2128 (3), 26.0-37.8 mm SL; Congo Democratic Republic: Large island of Djili, Congo-Ubangi drainage. MRAC 88-01-P-2171 (1), 25.7 mm SL; Congo Democratic Republic: mouth of Nutile River. MRAC 99-078-P-0017 (1), 43.8 mm SL; Congo Democratic Republic: Kwango.