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
Sepia Linnaeus, 1758 Preferred
Acanthosepion Rochebrune, 1884 Junior synonym
Amplisepia Iredale, 1926
Andreasepia Grimpe, 1922
Tenuisepia Cotton, 1932
Spathidosepion Rochebrune, 1884
Rhombosepion Rochebrune, 1884
Mesembrisepia Iredale, 1926
Lophosepion Rochebrune, 1884
Glyptosepia Iredale, 1926
Decorisepia Iredale, 1926
Crumenasepia Iredale, 1926
Blandosepia Iredale, 1940
Ascarosepion Rochebrune, 1884
Ponderisepia Iredale, 1926
Sepia (Eusepia) Naef, 1923
Sepia (Fiscisepia) Iredale, 1926
Sepia (Parasepia) Naef, 1923
Sepia (Platysepia) Naef, 1923

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