Dikerogammarus is a genus of amphipod crustaceans, containing the following species: \n* Dikerogammarus aralychensis (Birstein, 1932) \n* Dikerogammarus batalonicus Ponyi, 1955 \n* Dikerogammarus bispinosus Martynov, 1925 \n* Dikerogammarus caspius (Pallas, 1771) \n* Dikerogammarus fluviatilis Martynov, 1919 \n* Dikerogammarus gruberi Mateus & Mateus, 1990 \n* Dikerogammarus haemobaphes (Eichwald, 1841) \n* Dikerogammarus istanbulensis Özbek & Özkan, 2011 \n* Dikerogammarus oskari Birstein, 1945 \n* Dikerogammarus villosus (Sowinsky, 1894)