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NATURAL HISTORY · CATALOGUE RECORD

Geoffroy’s Side-necked Turtle

Phrynops geoffroanus (Schweigger, 1812)

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

Phrynops geoffroanus, also commonly known as Geoffroy's side-necked turtle and Geoffroy's toadhead turtle, is a species of large side-necked turtle in the family Chelidae. The species is endemic to South America.

Wikipedia contributors, Phrynops geoffroanus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T12:06:13.866138+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Phrynops geoffroanus (Schweigger, 1812)
Name authority
(Schweigger, 1812)
Common name
Geoffroy’s Side-necked Turtle
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Testudines
Family
Chelidae
Genus
Phrynops
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. suborderPleurodira Cope, 1864
  11. superfamilyCheloidea Gray, 1825
  12. familyChelidae
  13. genusPhrynops
  14. speciesPhrynops geoffroanus (Schweigger, 1812)

Close classified relatives

These entries share the source’s genus, Phrynops. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Hilaire’s Side-necked TurtlePhrynops hilarii (Duméril & Bibron, 1835)ChelidaeChordataAccepted speciesExtinction status not supplied
Cotinga River Toadhead TurtlePhrynops tuberosus (Peters, 1870)ChelidaeChordataAccepted speciesExtinction status not supplied
William’s South-American Side-necked TurtlePhrynops williamsi Rhodin & Mittermeier, 1983ChelidaeChordataAccepted speciesExtinction status not supplied

Browse 54 records assigned to Chelidae.

Names & synonyms

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

Recorded nameSource status
Emys geoffroana Schweigger, 1812 Schweigger, 1812synonym
Platemys waglerii Duméril & Bibron, 1835 Duméril & Bibron, 1835synonym
Emys depressa Merrem, 1820 Merrem, 1820ambiguous synonym
Emys viridis Spix, 1824 Spix, 1824synonym
Platemys neuwiedii Duméril & Bibron, 1835 Duméril & Bibron, 1835synonym
Emys geoffreana Schweigger, 1812 Schweigger, 1812synonym
Emys geoffroyana Gray, 1831 Gray, 1831synonym
Hydraspis boulengeri Bohls, 1895 Bohls, 1895synonym
Platemys geoffreana Duméril & Bibron, 1835 Duméril & Bibron, 1835synonym

Documented distribution

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

SW/E Venezuela, SE Colombia, E Ecuador, E Peru, SW/E Brazil (Rio Grande do Sul, Mato Grosso, Goiás, Paraná, Pernambuco, Piauí, Rio de Janeiro, Sergipe, Roraima, Tocantins),

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=Phrynops&species=geoffroanus 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:4GWNR. Classification follows source parent identifiers. English common names may vary by region.