M.  Kawakatsu, ?Additional notes on freshwater planarians from Lake Tahoe in the Sierra Nevada Mountains in North America?, Bulletin of the Fuji Women's College, vol. 11, p. 67, 1973.

T. C.  Frantz and Cordone, A. J., ?A preliminary checklist of Invertebrates collected from Lake Tahoe, 1961-1964?, Occasional Papers - Biological Society of Nevada, vol. 8, pp. 1-12, 1966.

R.  Kenk, ?Freshwater triclads (Turbellaria) of North America. II. New or little known species of Phagocata?, Proceedings of the Biological Society of Washington, vol. 83, pp. 13-34, 1970.

M.  Kawakatsu, ?North American Triclad Turbellaria, 17: Freshwater planarians from Lake Tahoe?, Proceedings of the United States National Museum, vol. 124, no. 3638, pp. 1-21, 1968.