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.

Paleobiology Database

Name Relationship
Ziphius cavirostris Cuvier 1824 Preferred
Hyperoodon desmarestii (Risso 1826) Heterotypic synonym
Delphinus desmarestii Risso 1826
Aliama desmarestii (Risso 1826)
Epiodon desmarestii (Risso 1826)
Epiodon cryptodon Gray 1868
Hyperoodon doumetii Gray 1846
Ziphius gervaisii (Duvernoy 1851)
Hyperoodon gervaisii Duvernoy 1851
Hyperoodon semijunctus Cope 1865
Ziphius semijunctus (Cope 1865)
Ziphius grebnitzkii Stejneger, 1883
Ziphius grebnitzki (Stejneger 1883)
Ziphiorrhynchus cryptodon Burmeister 1866
Hyperoodon capensis Gray, 1865
Petrorhynchus capensis (Gray 1865)
Choneziphius indicus (Van Beneden 1863)
Petrorhynchus indicus (Van Beneden 1863)
Ziphius indicus Van Beneden, 1863
Delphinorhynchus australis Burmeister, 1865
Epiodon chathamensis Hector 1873
Ziphius chathamensis (Hector 1873)
Ziphius australis (Trouessart 1904)
Ziphiorrhynchus australis Trouessart 1904

South African Vertebrates

Name Relationship
Ziphius cavirostris Cuvier 1823 Preferred
Hyperoodon capensis Gray, 1865 Synonym
Delphinus densirostris Blainville, 1817
Ziphius australis (Burmeister, 1865)

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Ziphius cavirostris G. Cuvier, 1823 Preferred
Ziphius australis (Burmeister, 1865)
Hyperoodon capensis Gray, 1865
Ziphius indicus P.-J. van Bénéden, 1863

Integrated Taxonomic Information System (ITIS)

Name Relationship
Ziphius cavirostris G. Cuvier, 1823 Preferred
Ziphius australis (Burmeister, 1865) Junior synonym
Hyperoodon capensis Gray, 1865
Ziphius indicus P.-J. van Bénéden, 1863

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