Campbell, R.A. & Carvajal, J. (1979)
Synonymy of the phyllobothriid genera Rhodobothrium Linton, 1889, Inermiphyllidium Riser, 1955, and Sphaerobothrium Euzet, 1959 (Cestoda: Tetraphyllidea).
Proceedings of the Helminthological Society of Washington, 46, 88–97