River lamprey (Lampetra ayresi) status data created for the Western Division of the American Fisheries Society (WDAFS)
Beamish, R.J., 1980. Adult biology of the river lamprey (Lampetra ayresi) and the Pacific lamprey (Lampetra tridentate) from the Pacific coast of Canada. Canadian Journal of Fisheries and Aquatic Sciences 37: 1906-1923.
Jolley, J.C., Kovalchuk, G. and Docker, M.F., 2016. River lamprey (Lampetra ayresii) outmigrant upstream of the John Day dam in the mid-Columbia River. Northwestern Naturalist 97: 48-52.
Bond, C.E., Kan, T.T. and Myers, K.W., 1983. Notes on the marine life of the river lamprey, Lampetra ayresi, in Yaquina Bay, Oregon, and the Columbia River estuary [Oregon]. Fishery bulletin United States, National Marine Fisheries Service.