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.

Integrated Taxonomic Information System (ITIS)

Name Relationship
Otariidae Gray, 1825 Preferred
Arctocephalinae Other, see comments
Otariinae Gray, 1825

Paleobiology Database

Name Relationship
Otariidae (Gray 1825) Preferred
Halarctos (Gill 1866) Synonym
Arctophoca Peters 1866
Gypsophoca Gray 1866
Euotaria Gray 1869
Platyrhynchus Cuvier 1827
Otoes Fischer 1817
Callorhynchus Greve 1896
Pontoleo Gloger 1841

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