Tanaka, Hasegawa & Nomura 2010. Description of a new genus and a new species, 'Ikeyacythereis kumejimensis' (Trachyleberididae, Ostracoda), from the upper Pliocene Aka Formation, Kume-jima Island, Okinawa Prefecture, Japan. Bulletin of Gunma Museum of Natural History, 14, March 2010: 21-28