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.

The Reptile Database

Name Relationship
Caretta caretta Linnaeus 1758 Preferred
Testudo caretta LINNAEUS 1758: 197 Synonym
Testudo marina GARSAULT 1764
Testudo nasicornis LACÉPÈDE 1788
Testudo caouana LACÉPÈDE 1788 (nom. subst. pro T. caretta L.)
Chelonia multiscutata KUHL 1820 (?)
Testudo corianna GRAY 1831 (ex errore)
Testudo caretta — CUVIER 1831: 16
Chelonia Caouana — DUMÉRIL & BIBRON 1835: 552
Caouana elongata GRAY 1844
Chelonia caretta — DYCE 1861: 351
Thalassochelys cauana — BOETTGER 1880: 210
Thalassochelys caretta — BOULENGER 1886: 425
Thalassochelys caretta— BOULENGER 1889
Caretta caretta — STEJNEGER 1904
Caretta caretta — STEBBINS 1985: 105
Caretta caretta — ENGELMANN et al 1993
Caretta caretta — CONANT & COLLINS 1991: 76
Caretta caretta — GLAW & VENCES 1994: 229
Caretta caretta — COGGER 2000: 178
Caretta caretta caretta (Linnaeus, 1758)
Testudo cephalo SCHNEIDER 1783
Caretta nasuta RAFINESQUE 1814
Caretta atra MERREM 1820
Chelonia pelasgorum BORY 1833
Thalassochelys corticata GIRARD 1858
Thalassochelys cephalo — BARBOUR & COLE 1906: 148
Caretta caretta caretta— MERTENS & MÜLLER 1928
Caretta caretta gigas Deraniyagala, 1933
Cephalochelys oceanica GRAY 1873 (?)
Thalassiochelys tarapacona PHILIPPI 1887 (?)
Chelonia dubia BLEEKER 1889 (nomen nudum)
Chelonia polyaspis BLEEKER 1889 (nomen nudum)
Thalassochelys controversa PHILIPPI 1899
Caretta gigas DERANIYAGALA 1933 (?)
Caretta caretta gigas — DERANIYAGALA 1939
Caretta caretta gigas — STEBBINS 1985: 106

Paleobiology Database

Name Relationship
Caretta caretta (Linnaeus, 1758) Preferred
Testudo caretta Linnaeus, 1758 Valid

South African Vertebrates

Name Relationship
Caretta caretta Linnaeus 1758 Preferred
Testudo caretta Linnaeus, 1758
Testudo nasicornis LACÉPÈDE 1788
Caouana elongata GRAY 1844
Caretta gigas DERANIYAGALA 1933
Caretta atra MERREM 1820
Caretta nasuta RAFINESQUE 1814
Cephalochelys oceanica GRAY 1873
Chelonia caouana Duméril & Bibron, 1835
Chelonia caretta DYCE 1861
Chelonia dubia BLEEKER 1889
Chelonia multiscutata Kuhl 1820
Chelonia pelasgorum BORY 1833
Chelonia polyaspis BLEEKER 1889
Testudo cephalo SCHNEIDER 1783
Testudo corianna GRAY 1831
Thalassiochelys tarapacona PHILIPPI 1887
Thalassochelys caretta BOULENGER 1886
Thalassochelys cephalo Barbour & Cole, 1906
Thalassochelys controversa PHILIPPI 1899
Thalassochelys corticata Girand, 1858
Testudo marina GARSAULT 1764
Thalassochelys cauana Boettger, 1880

NCBI Taxonomy

Name Relationship
Caretta caretta Preferred
Caretta caretta Linnaeus 1758 Authority
Testudo caretta

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Caretta caretta Linnaeus 1758 Preferred
Caouana elongata GRAY 1844
Chelonia Caouana DUMÉRIL 1835
Chelonia caretta DYCE 1861
Chelonia multiscutata Kuhl 1820
Testudo caouana LACÉPÈDE 1788
Testudo caretta Linnaeus, 1758
Testudo corianna GRAY 1831
Testudo nasicornis LACÉPÈDE 1788
Thalassochelys caretta BOULENGER 1886

Integrated Taxonomic Information System (ITIS)

Name Relationship
Caretta caretta (Linnaeus, 1758) Preferred
Caretta caretta caretta (Linnaeus, 1758) Subsequent name/combination
Testudo caretta Linnaeus, 1758 Original name/combination

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