Sometimes taxonomists create new names for groups that already have a name. They may do this because they are unaware of the original name, or they may think the organism before them belongs to a different group when in fact it does not. If two or more names are found to apply to the same group, they are considered synonyms. In most cases, the first name takes priority and is considered to be the valid or accepted name. However, there can be exceptions, and it's not always easy to determine which of a series of synonyms should be considered valid or accepted. Here we list the synonyms provided to EOL by our classification partners. We also include other versions of the name that most likely refer to the same group, for example, misspellings in the literature or different variations of the authorship associated with the name.

Preferred marks the preferred name from each source.

FishBase

Name Relationship
Oncorhynchus mykiss (Walbaum, 1792) Preferred
Fario gairdneri (Richardson, 1836) Synonym
Onchorrhychus mykiss (Walbaum, 1792)
Onchorynchus mykiss (Walbaum, 1792)
Oncorhynchus gairdnerii (Richardson, 1836) Ambiguous synonym
Oncorhynchus kamloops Jordan, 1892
Oncorhynchus mykiss nelsoni (Evermann, 1908)
Oncorhynchus myskis (Walbaum, 1792)
Parasalmo mykiss (Walbaum, 1792)
Parasalmo penshinensis (Pallas, 1814)
Salmo gairdneri Richardson, 1836
Salmo gairdneri irideus Gibbons, 1855
Salmo gairdneri shasta Jordan, 1894
Salmo gairdnerii Richardson, 1836
Salmo gairdnerii gairdnerii Richardson, 1836
Salmo gairdnerii irideus Gibbons, 1855
Salmo gilberti Jordan, 1894
Salmo iridea Gibbons, 1855
Salmo irideus Gibbons, 1855
Salmo irideus argentatus Bajkov, 1927
Salmo kamloops (Jordan, 1892)
Salmo kamloops whitehousei Dymond, 1931
Salmo masoni Suckley, 1860
Salmo mykiss Walbaum, 1792
Salmo nelsoni Evermann, 1908
Salmo penshinensis Pallas, 1814
Salmo purpuratus Pallas, 1814
Salmo rivularis Ayres, 1855
Salmo rivularis kamloops (Jordan, 1892)
Salmo truncatus Suckley, 1859
Trutta iridea (Gibbons, 1855)

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Oncorhynchus mykiss (Walbaum, 1792) Preferred
Oncorhynchus gairdnerii (Richardson, 1836)
Parasalmo penshinensis (Pallas, 1814)
Parasalmo mykiss (Walbaum, 1792)
Salmo gairdneri Richardson, 1836
Oncorhynchus mykiss nelsoni (Evermann, 1908)
Oncorhynchus kamloops Jordan, 1892
Fario gairdneri (Richardson, 1836)
Onchorrhychus mykiss (Walbaum, 1792)
Onchorynchus mykiss (Walbaum, 1792)
Salmo nelsoni Evermann, 1908
Trutta iridea (Gibbons, 1855)
Salmo truncatus Suckley, 1859
Salmo rivularis kamloops (Jordan, 1892)
Salmo rivularis Ayres, 1855
Salmo purpuratus Pallas, 1814
Salmo gairdnerii irideus Gibbons, 1855
Salmo penshinensis Pallas, 1814
Salmo mykiss Walbaum, 1792
Salmo masoni Suckley, 1860
Salmo kamloops whitehousei Dymond, 1931
Salmo kamloops (Jordan, 1892)
Salmo gilberti Jordan, 1894
Salmo gairdneri shasta Jordan, 1894
Salmo gairdnerii Richardson, 1836
Salmo gairdnerii gairdnerii Richardson, 1836
Salmo gairdneri irideus Gibbons, 1855
Oncorhynchus myskis (Walbaum, 1792)
Salmo iridea Gibbons, 1855
Salmo irideus Gibbons, 1855
Salmo irideus argentatus Bajkov, 1927

Integrated Taxonomic Information System (ITIS)

Name Relationship
Oncorhynchus mykiss (Walbaum, 1792) Preferred
Salmo mykiss Walbaum, 1792 Original name/combination
Salmo gibbsii Suckley 1859 Junior synonym
Oncorhynchus mykiss gibbsi (Suckley, 1859)

NCBI Taxonomy

Name Relationship
Oncorhynchus mykiss Preferred
Onchorhynchus mykiss Misspelling
Oncorhynchus mykiss (Walbaum, 1792) Authority
Salmo mykiss Walbaum, 1792
Oncorhynchus nerka mykiss
Parasalmo mykiss
Salmo mykiss

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