川勝正治
Kawakatsu, M., 1960. Notes on the freshwater planarians found in the subterranean waters of the Akiyoshi district. Jap. Jour. Zool., 12: 609-620.
Ichikawa, A. & Kawakatsu, M., 1962. Phagocata albata, a new probably subterranean freshwater planarian, from Hokkaido. Annot. Zool. Japon., 35: 29-37.
Ichikawa, A. & Kawakatsu, M., 1964. A new freshwater planarian, Dugesia japonica, commonly but erroneously known as Dugesia gonocephala (Dugès). Annot. Zool. Japon., 37: 185-194.
Kawakatsu, M., 1965. On the ecology and distribution of freshwater planarians in the Japanese Islands, with special references to their vertical distribution. Hydrobiologia, 26: 349-408.