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NATURAL HISTORY · CATALOGUE RECORD

Big-headed Amazon River Turtle

Peltocephalus dumerilianus (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.

Identity & source status

Scientific name
Peltocephalus dumerilianus (Schweigger, 1812)
Name authority
(Schweigger, 1812)
Common name
Big-headed Amazon River Turtle
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Testudines
Family
Podocnemididae
Genus
Peltocephalus
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. superfamilyPelomedusoidea Cope, 1868
  12. familyPodocnemididae
  13. genusPeltocephalus
  14. speciesPeltocephalus dumerilianus (Schweigger, 1812)

Close classified relatives

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

Browse 8 records assigned to Podocnemididae.

Names & synonyms

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

Recorded nameSource status
Emys dumeriliana Schweigger, 1812 Schweigger, 1812synonym
Emys macrocephala Spix, 1824 Spix, 1824synonym
Emys tracaxa Spix, 1824 Spix, 1824synonym
Chelys (Hydraspis) lata Gray ex Griffith, 1831 Gray ex Griffith, 1831synonym
Emys traxaca Spix, 1824 Spix, 1824synonym

Documented distribution

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

Amazon watershed from Peru,

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=Peltocephalus&species=dumerilianus 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:76GCD. Classification follows source parent identifiers. English common names may vary by region.