Oncorhynchus lacustris (syn. Rhabdofario lacustris) is an extinct species of prehistoric freshwater trout from the late Miocene to late Pliocene of Western North America. Its fossils have been found in lacustrine deposits in what is now Idaho. See also Oncorhynchus rastrosus Prehistoric fish List of prehistoric bony fish External links Bony fish in the online Sepkoski Database Prehistoric teleostei Oncorhynchus Miocene fish Pliocene fish Piacenzian extinctions Neogene fish of North America