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Chelonia mydas (Linnaeus, 1758)

Source-backed taxonomic record

Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.

Open encyclopedia reference

The green sea turtle (Chelonia mydas), also known as the green turtle, black sea turtle, and Pacific green turtle, is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus Chelonia. Its range extends throughout tropical and subtropical seas around the world, with two distinct populations in the Atlantic and Pacific Oceans, but it is also found in the Indian Ocean. The common name refers to the usually green fat found beneath its carapace, due to its diet strictly being seagrass, not to the color of its carapace, which is olive to black. The dorsoventrally flattened body of C. mydas is covered by a large, teardrop-shaped carapace; it has a pair of large, paddle-like flippers. It is usually lightly colored, although in the eastern Pacific populations, parts of the carapace can be almost black. Unlike other members of its family, such as the hawksbill sea turtle, C. mydas is mostly herbivorous. The adults usually inhabit shallow lagoons, feeding mostly on various species of seagrasses.

Wikipedia contributors, Green sea turtle; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T14:21:45.210467+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Chelonia mydas (Linnaeus, 1758)
Name authority
(Linnaeus, 1758)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Testudines
Family
Cheloniidae
Genus
Chelonia
Extinction status
Not supplied by this source

Classification family tree

Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. megaclassTetrapoda
  8. classReptilia Laurenti, 1768
  9. orderTestudines Batsch, 1788
  10. suborderCryptodira
  11. superfamilyChelonioidea
  12. familyCheloniidae
  13. genusChelonia
  14. speciesChelonia mydas (Linnaeus, 1758)

Close classified relatives

No other member of this genus is present in the selected snapshot.

Browse 6 records assigned to Cheloniidae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Mydas viridis Gray, 1870 Gray, 1870synonym
Chelonia bicarinata Lesson, 1834 Lesson, 1834synonym
Natator tessellatus Mcculloch, 1908 Mcculloch, 1908ambiguous synonym
Testudo cepediana Daudin, 1802 Daudin, 1802synonym
Chelonia agassizii Bocourt, 1868 Bocourt, 1868synonym
Chelonia maculosa Cuvier, 1829 Cuvier, 1829synonym
Chelonia tenuis Girard, 1858 Girard, 1858synonym
Chelonia virgata Schweigger, 1812 Schweigger, 1812synonym
Testudo japonica Thunberg, 1787 Thunberg, 1787synonym
Testudo mydas Linnaeus, 1758 Linnaeus, 1758synonym
Testudo viridis Schneider, 1783 Schneider, 1783synonym
Chelonia grisea Eschscholtz, 1829 Eschscholtz, 1829synonym
Chelonia castanea Eschscholtz, 1829 Eschscholtz, 1829synonym
Chelonia mydas agassizi Bocourt, 1868 Bocourt, 1868synonym
Chelonia mydas carrinegra Caldwell, 1962 Caldwell, 1962synonym
Testudo marina vulgaris Lacépède, 1788 Lacépède, 1788synonym
Caretta cepedii Merrem, 1820 Merrem, 1820synonym
Caretta thunbergi Merrem, 1820 Merrem, 1820synonym
Euchelus macropus Girard, 1858 Girard, 1858synonym
Testudo rugosa Daudin, 1802 Daudin, 1802ambiguous synonym
Caretta esculenta Merrem, 1820 Merrem, 1820synonym
Chelonia agassizi Bocourt, 1868 Bocourt, 1868synonym
Chelonia formosa Girard, 1858 Girard, 1858synonym
Chelonia lata Philippi, 1887 Philippi, 1887synonym
Chelonia marmorata Duméril & Bibron, 1835 Duméril & Bibron, 1835synonym
Testudo macropus Walbaum, 1782 Walbaum, 1782synonym
Chelonia albiventer Nardo, 1864 Nardo, 1864synonym
Chelonia lachrymata Cuvier, 1829 Cuvier, 1829synonym

Documented distribution

Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.

Atlantic, Pacific, and Indian oceans, chiefly in the tropics.

Source literature & publication evidence

References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.

  1. https://reptile-database.reptarium.cz/species?genus=Chelonia&species=mydas Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references

Origins, evidence & remaining research

Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.

Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.

Dataset citation & attribution

This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11

Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.

Stable key: col:TVGD. Classification follows source parent identifiers. English common names may vary by region.