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.

IRMNG

Name Relationship
Agonidae Preferred
Phalangistes Pallas in Tilesius, 1811 Synonym
Siphagonus Steindachner 1876
Ribeiroa Jordan 1920
Occa Jordan & Evermann 1898
Xystes Jordan & Starks 1895
Iburina Jordan & Hubbs 1925
Phalangista Cuvier 1829
Ganoideus Whitley 1950
Canthirynchus Swainson, 1839
Canthyrynchus Swainson 1839
Canthirhynchus Swainson, 1839
Averruncus Jordan & Starks, 1895
Acanthostelgis Fowler 1958
Hippocephalus Swainson 1839
Asphidophorus Swainson 1839
Aspidiphoroides Storer 1839
Aspidophorous
Cataphractus Walbaum, 1792
Aspidophorus Lacepède, 1801
Ocella Jordan & Hubbs, 1925
Stelgis Cramer in Jordan & Starks, 1895
Draciscus Jordan & Snyder 1901
Canthorhynchus Agassiz 1846
Cheiragonus Herzenstein, 1890
Aspidiphorus Gistl 1848
Asterotheca Gilbert 1915
Xenochirus Gilbert 1890
Paragonus Guichenot, 1869
Paragonus Miranda Ribeiro, 1918
Paragonus Gill, 1861
Asphedophorus Swainson 1839
Iburiella Jordan & Hubbs 1925
Amblyrhachis Leipertz, 1988
Archagonus Lütken, 1877
Hippocephalichthys Bleeker, 1859
Angelogonus Lütken, 1898
Cataphractus Klein, 1777
Cataphractus Fleming, 1828
Xenopyxis Gilbert, 1915

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