Thomas P. Eiting, Gerald R. Smith. Miocene salmon (Oncorhynchus) from Western North America: Gill Raker evolution correlated with plankton productivity in the Eastern Pacific (англ.) // Palaeogeography, Palaeoclimatology, Palaeoecology. — Elsevier, 2007. — 19 June (vol. 249, iss. 3—4). — P. 412—424. — ISSN0031-0182. — doi:10.1016/j.palaeo.2007.02.011.
Thomas P. Eiting, Gerald R. Smith. Miocene salmon (Oncorhynchus) from Western North America: Gill Raker evolution correlated with plankton productivity in the Eastern Pacific (англ.) // Palaeogeography, Palaeoclimatology, Palaeoecology. — Elsevier, 2007. — 19 June (vol. 249, iss. 3—4). — P. 412—424. — ISSN0031-0182. — doi:10.1016/j.palaeo.2007.02.011.