Simmons, J.E. & Laurie, J.S. (1972)
A study of Gyrocotyle in the San Juan Archipelago, Puget Sound, U.S.A., with observations on the host, Hydrolagus colliei (Lay and Bennett).
International Journal for Parasitology, 2(1), 59–77 DOI: 10.1016/0020-7519(72)90035-5