Before revision: Africa: Nile Americas: Mississippi, Peruvian Amazon Asia: Brahmaputra, Ganga, Padma, Damodar, Irrawaddy, Mekong, Yangtze Australia: Murray Europe: Danube, Rhine, Seine, Rhone, Volga, Moselle, Main, Douro .
After revision: Africa: Nile Americas: Mississippi, Peruvian Amazon Asia: Brahmaputra, Ganga, Padma, Damodar, Irrawaddy, Mekong, Yangtze Australia: Murray Europe: Danube, Rhine, Seine, Rhone, Volga, Moselle, Main, Douro