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.

South African Vertebrates

Name Relationship
Orcinus orca (Linnaeus, 1758) Preferred
Orca rectipinna Cope in Scammon, 1869 Synonym
Orca ater Cope in Scammon, 1869
Globicephala scammnii (Cope, 1869)
Orcinus glacialis Berzin and Vladimirov, 1983
Orca capensis (Gray)
Delphinus melas Traill, 1809
Globicephala melaena (Traill)
Delphinus gladiator Bonnaterre, 1789
Delphinus orca Linnaeus, 1758
Orcinus nanus Mikhalev & Ivashin 1981

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Orcinus orca (Linnaeus, 1758) Preferred
Orca ater Cope in Scammon, 1869
Orca Capensis Gray 1846
Orcinus glacialis Berzin and Vladimirov, 1983
Delphinus gladiator Bonnaterre, 1789
Orcinus nanus Mikhalev & Ivashin 1981
Orca rectipinna Cope in Scammon, 1869
Delphinus orca Linnaeus, 1758

Integrated Taxonomic Information System (ITIS)

Name Relationship
Orcinus orca (Linnaeus, 1758) Preferred
Orca ater Cope in Scammon, 1869 Junior synonym
Orca Capensis Gray 1846
Orcinus glacialis Berzin and Vladimirov, 1983
Delphinus gladiator Bonnaterre, 1789
Orcinus nanus Mikhalev & Ivashin 1981 Unavailable, nomen nudum
Orca rectipinna Cope in Scammon, 1869
Delphinus orca Linnaeus, 1758 Original name/combination

NCBI Taxonomy

Name Relationship
Orcinus orca Preferred
Orcinus orca (Linnaeus, 1758) Authority

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