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NATURAL HISTORY · CATALOGUE RECORD

Rock Cavy

Kerodon rupestris (Wied-Neuwied, 1820)

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.

Kerodon rupestris, Rock Cavvy, By Brian Gratwicke

Kerodon rupestris, Rock Cavvy, By Brian Gratwicke

The original uploader was Brian.gratwicke at English Wikipedia. · CC BY 2.5 · Image source

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Open encyclopedia reference

The rock cavy or mocó (Kerodon rupestris) is a species of cavy that is endemic to eastern Brazil. It has also been introduced to the Atlantic island of Fernando de Noronha.

The rock cavy is called mocó in Brazilian Portuguese, and koriko pexerumen in the Xukuru language of Pernambuco, Brazil.

Wikipedia contributors, Rock cavy; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T01:43:02.495498+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Kerodon rupestris (Wied-Neuwied, 1820)
Name authority
(Wied-Neuwied, 1820)
Common name
Rock Cavy
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Caviidae
Genus
Kerodon
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. suborderHystricomorpha Brandt, 1855
  13. infraorderHystricognathi Brandt, 1855
  14. familyCaviidae Fischer de Waldheim, 1817
  15. subfamilyHydrochoerinae Gray, 1825
  16. genusKerodon F. Cuvier, 1825
  17. speciesKerodon rupestris (Wied-Neuwied, 1820)

Close classified relatives

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

SpeciesClassificationSource status
Acrobatic CavyKerodon acrobata Moojen, Locks & Langguth, 1997CaviidaeChordataAccepted speciesRecorded extant

Browse 17 records assigned to Caviidae.

Names & synonyms

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

Recorded nameSource status
Cavia rupestris Wied-Neuwied, 1820 Wied-Neuwied, 1820synonym

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=584718 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:3R6DR. Classification follows source parent identifiers. English common names may vary by region.