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NATURAL HISTORY · CATALOGUE RECORD

Common Pericote

Graomys griseoflavus (Waterhouse, 1837)

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.

Griseo-flavus mouse on the ground, tail to the left, head looking back to the left, looking at insect at extreme left, another mouse in the right background; plate 21 to 'Mammalia'.
Lithograph, printed on chine collé

Griseo-flavus mouse on the ground, tail to the left, head looking back to the left, looking at insect at extreme left, another mouse in the right background; plate 21 to 'Mammalia'. Lithograph, printed on chine collé

https://www.britishmuseum.org/collection/object/P_1931-0213-1351 · Public domain · Image source

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

Open encyclopedia reference

The gray leaf-eared mouse (Graomys griseoflavus) is a rodent species from South America. It is found in Argentina, Bolivia, Brazil and Paraguay; its habitat includes the Gran Chaco.

This is a variable and widely distributed species that can be found in many habitat types. It is considered to be a species complex, and some populations might be considered separate species. Genus Graomys contains species once considered to be part of the complex.

Wikipedia contributors, Gray leaf-eared mouse; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T04:24:36.390865+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Graomys griseoflavus (Waterhouse, 1837)
Name authority
(Waterhouse, 1837)
Common name
Common Pericote
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Cricetidae
Genus
Graomys
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. genusGraomys Thomas, 1916
  17. speciesGraomys griseoflavus (Waterhouse, 1837)

Close classified relatives

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

SpeciesClassificationSource status
Pale Leaf-eared MouseGraomys domorum (Thomas, 1902)CricetidaeChordataAccepted speciesRecorded extant
Edith's Leaf-eared MouseGraomys edithae Thomas, 1919CricetidaeChordataAccepted speciesRecorded extant
Central PericoteGraomys centralis (Thomas, 1902)CricetidaeChordataAccepted speciesRecorded extant

Browse 593 records assigned to Cricetidae.

Names & synonyms

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

Recorded nameSource status
Graomys lockwoodi Thomas, 1918 Thomas, 1918synonym
Graomys medius Thomas, 1919 Thomas, 1919synonym
Phyllotis chacoensis J. A. Allen, 1901 J. A. Allen, 1901synonym
Phyllotis cachinus J. A. Allen, 1901 J. A. Allen, 1901synonym

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=633122 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:3H8JP. Classification follows source parent identifiers. English common names may vary by region.