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
Chlorurus sordidus (Forsskål, 1775) Preferred
Callyodon albipunctatus Seale, 1910 Synonym
Callyodon bipallidus Smith, 1956
Callyodon cyanogrammus Jordan and Seale, 1906
Callyodon erythrodon (Valenciennes, 1840)
Callyodon margaritus (Cartier, 1874)
Callyodon rostratus Seale, 1910
Callyodon sordidus (Forsskål, 1775)
Pseudoscarus goldiei Macleay, 1883
Pseudoscarus margaritus Cartier, 1874
Pseudoscarus platodoni Seale, 1901
Pseudoscarus vitriolinus Bryan, 1906
Scaridea leucotaeniata Fowler, 1944
Scarus celebicus Bleeker, 1854
Scarus erythrodon Valenciennes, 1840
Scarus gymnognathos Bleeker, 1853
Scarus margaritus (Cartier, 1874)
Scarus nigricans Valenciennes, 1840
Scarus purpureus Valenciennes, 1840 Ambiguous synonym
Scarus sordidus Forsskål, 1775
Scarus sumbawensis Bleeker, 1848
Scarus variegatus Valenciennes, 1840
Xanothon bipallidus (Smith, 1956)
Xanothon erythrodon (Valenciennes, 1840)
Xanothon margaritus (Cartier, 1874)

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Chlorurus sordidus (Forsskål, 1775) Preferred
Scarus sumbawensis Bleeker, 1848
Scarus sordidus Forsskål, 1775
Scarus variegatus Valenciennes, 1840
Scarus purpureus Valenciennes, 1840
Scarus nigricans Valenciennes, 1840
Scarus margaritus (Cartier, 1874)
Xanothon erythrodon (Valenciennes, 1840)
Xanothon margaritus (Cartier, 1874)
Scarus gymnognathos Bleeker, 1853
Scarus celebicus Bleeker, 1854
Callyodon albipunctatus Seale, 1910
Scaridea leucotaeniata Fowler, 1944
Pseudoscarus vitriolinus Bryan, 1906
Pseudoscarus platodoni Seale, 1901
Pseudoscarus margaritus Cartier, 1874
Pseudoscarus goldiei Macleay, 1883
Callyodon sordidus (Forsskål, 1775)
Callyodon rostratus Seale, 1910
Callyodon margaritus (Cartier, 1874)
Callyodon erythrodon (Valenciennes, 1840)
Callyodon cyanogrammus Jordan & Seale, 1901
Callyodon bipallidus Smith, 1956
Scarus erythrodon Valenciennes, 1840
Xanothon bipallidus (Smith, 1956)

Integrated Taxonomic Information System (ITIS)

Name Relationship
Chlorurus sordidus (Forsskål, 1775) Preferred
Scarus sordidus Forsskål, 1775 Original name/combination
Scarus bipallidus (Smith, 1956) Junior synonym
Callyodon erythrodon (Valenciennes in Cuvier and Valenciennes, 1840)
Scarus nigricans Valenciennes in Cuvier and Valenciennes, 1840
Scarus erythrodon Valenciennes in Cuvier and Valenciennes, 1840
Scarus variegatus Valenciennes in Cuvier and Valenciennes, 1840
Scarus purpureus Valenciennes in Cuvier and Valenciennes, 1840 Junior homonym
Scarus spilurus Valenciennes in Cuvier and Valenciennes, 1840
Scarus sumbawensis Bleeker, 1848
Scarus gymnognathos Bleeker, 1853
Scarus celebicus Bleeker, 1854
Pseudoscarus margaritus Cartier, 1874
Pseudoscarus goldiei Macleay, 1883
Pseudoscarus platodoni Seale, 1901
Callyodon cyanogrammus Jordan and Seale, 1906
Pseudoscarus vitriolinus Bryan, 1906
Callyodon rostratus Seale, 1910
Callyodon albipunctatus Seale, 1910
Scaridea leucotaeniata Fowler, 1944
Xanothon bipallidus Smith, 1956
Callyodon bipallidus Smith, 1956

NCBI Taxonomy

Name Relationship
Chlorurus sordidus Preferred
Chlorurus sordidus (Forsskal, 1775)
Scarus sordidus

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