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NATURAL HISTORY · CATALOGUE RECORD

Large Long-clawed Akodont

Chelemys megalonyx (Waterhouse, 1845)

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.

Hesperomys scalops = Chelemys megalonyx scalops & Rheithrodon pictus = Auliscomys pictus

Hesperomys scalops = Chelemys megalonyx scalops & Rheithrodon pictus = Auliscomys pictus

Joseph Smit · Public domain · Image source

Provider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.

Open encyclopedia reference

Chelemys megalonyx, also known as the large long-clawed mouse or large long-clawed akodont is a species of rodent in the genus Chelemys of family Cricetidae. It is endemic to central Chile.

Wikipedia contributors, Chelemys megalonyx; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:05:46.695567+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Chelemys megalonyx (Waterhouse, 1845)
Name authority
(Waterhouse, 1845)
Common name
Large Long-clawed Akodont
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Cricetidae
Genus
Chelemys
Extinction status
Recorded extant

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. classMammalia Linnaeus, 1758
  9. subclassTheria Parker & Haswell, 1897
  10. infraclassEutheria Gill, 1872
  11. orderRodentia Bowdich, 1821
  12. suborderMyomorpha Brandt, 1855
  13. superfamilyMuroidea Illiger, 1811
  14. familyCricetidae Fischer, 1817
  15. subfamilySigmodontinae Wagner, 1843
  16. genusChelemys Thomas, 1903
  17. speciesChelemys megalonyx (Waterhouse, 1845)

Close classified relatives

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

SpeciesClassificationSource status
Magellanic Long-clawed AkodontChelemys delfini (Cabrera, 1905)CricetidaeChordataAccepted speciesRecorded extant
Andean Long-clawed AkodontChelemys macronyx (Thomas, 1894)CricetidaeChordataAccepted speciesRecorded extant

Browse 593 records assigned to Cricetidae.

Documented distribution

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

South America

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://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=633102 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.

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:5XR74. Classification follows source parent identifiers. English common names may vary by region.