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
Chelonia mydas Linnaeus 1758 Preferred
Testudo mydas LINNAEUS 1758: 197 Synonym
Testudo macropus WALBAUM 1782 (nomen illegitimum)
Testudo marina vulgaris LACÉPÈDE 1788 (nomen subst. pro T. mydas L.)
Testudo cepediana DAUDIN 1802
Chelonia mydas — SCHWEIGGER 1812
Caretta cepedii MERREM 1820 (nomen subst. pro T. cepediana DAUDIN)
Chelonia lachrymata CUVIER 1829
Testudo Mydas — CUVIER 1831: 15
Chelonia Midas — DUMÉRIL & BIBRON 1835: 538
Euchelus macropus GIRARD 1858
Chelonia albiventer NARDO 1864
Thalassiochelys albiventer — GÜNTHER 1865 (Zool. Rec. 1864: 148)
Chelonia midas — BOCAGE 1866 (ex errore)
Mydas viridis GRAY 1870
Chelone mydas — BOULENGER 1889: 180
Natator tessellatus MCCULLOCH 1908
Chelonia mydas carrinegra CALDWELL 1962
Chelonia mydas — STEBBINS 1985: 105
Chelonia mydas — ENGELMANN et al. 1993
Chelonia mydas — CONANT & COLLINS 1991: 76
Chelonia mydas — GLAW & VENCES 1994: 229
Chelonia mydas — COGGER 2000: 180
Chelonia mydas mydas (Linnaeus, 1758)
Testudo viridis SCHNEIDER 1783
Chelonia virgata SCHWEIGGER 1812
Caretta esculenta MERREM 1820
Chelonia maculosa CUVIER 1829
Chelonia bicarinata LESSON 1834 (in BÉLANGER)
Chelonia Virgata — DUMÉRIL & BIBRON 1835: 541
Chelonia maculosa — DUMÉRIL & BIBRON 1835: 544
Chelonia marmorata DUMÉRIL & BIBRON 1835: 546
Chelonia virgata — GÜNTHER 1864: 53
Chelone virgata — BOULENGER 1887: 407
Chelonia virgata — BARBOUR 1918: 488
Chelonia mydas mydas — MERTENS & MÜLLER 1928
Chelonia mydas mydas — FRITZ & HAVAS 2007
Chelonia mydas agassizi BOCOURT 1868
Chelonia agassizi BOCOURT 1868: 122
Testudo japonica THUNBERG 1787: 178
Testudo rugosa DAUDIN 1802 (non Testudo rugosa SHAW)
Caretta thunbergi MERREM 1820 (nomen subst. pro T. japonica THUNBERG)
Chelonia mydas [var.] japonica, GRAY 1831
Chelonia formosa GIRARD 1858
Chelonia tenuis GIRARD 1858
Chelonia agassizii Bocourt, 1868
Chelonia agassizii — GRAY 1873: 113
Chelonia lata PHILIPPI 1887
Chelonia japonica — STEJNEGER 1907: 509
Natator tesselatus MCCULLOCH 1908
Chelonia mydas agassizii — STEBBINS 1985: 105
Chelonia agassizii — LINER 1994
Chelonia agassizzii [sic] — LEHR 2002: 201
Chelonia agassizii — BONIN et al 2006
Chelonia mydas agassizii — FRITZ & HAVAS 2007
Chelonia mydas japonica (THUNBERG 1787)
Chelonia japonica — GARMAN 1908: 8
Chelonia japonica — STEJNEGER 1910
Chelonia mydas japonica — SHANNON 1956
Chelonia mydas japonica — PAWLOWSKI & KRÄMER 2008

Paleobiology Database

Name Relationship
Chelonia mydas (Linnaeus, 1758) Preferred
Testudo mydas Linnaeus, 1758 Valid

NCBI Taxonomy

Name Relationship
Chelonia mydas Preferred
Chelonia agassizi
Chelonia midas
Chelonia mydas caranigra Includes

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Chelonia mydas Linnaeus 1758 Preferred
Caretta cepedii MERREM 1820
Chelone mydas BOULENGER 1889
Chelonia lachrymata CUVIER 1829
Chelonia Midas DUMÉRIL 1835
Euchelus macropus GIRARD 1858
Mydas viridis GRAY 1870
Testudo cepediana DAUDIN 1802
Testudo macropus WALBAUM 1782
Testudo marina vulgaris LACÉPÈDE 1788
Testudo mydas Linnaeus, 1758
Natator tessellatus MCCULLOCH 1908 Ambiguous synonym

Integrated Taxonomic Information System (ITIS)

Name Relationship
Chelonia mydas (Linnaeus, 1758) Preferred
Chelonia mydas mydas (Linnaeus, 1758) Subsequent name/combination
Chelonia agassizii Bocourt, 1868 Junior synonym
Testudo mydas Linnaeus, 1758 Original name/combination
Chelonia mydas agassizii Bocourt, 1868

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