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NATURAL HISTORY · CATALOGUE RECORD

San Diego Pocket Mouse

Chaetodipus fallax (Merriam, 1889)

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
Chaetodipus fallax (Merriam, 1889)
Name authority
(Merriam, 1889)
Common name
San Diego Pocket Mouse
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Heteromyidae
Genus
Chaetodipus
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. suborderCastorimorpha A. E. Wood, 1955
  13. familyHeteromyidae Gray, 1868
  14. subfamilyPerognathinae Coues, 1875
  15. genusChaetodipus Merriam, 1889
  16. speciesChaetodipus fallax (Merriam, 1889)

Close classified relatives

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

SpeciesClassificationSource status
Narrow-skulled Pocket MouseChaetodipus artus (Osgood, 1900)HeteromyidaeChordataAccepted speciesRecorded extant
Dalquest's Pocket MouseChaetodipus ammophilus (Osgood, 1907)HeteromyidaeChordataAccepted speciesRecorded extant
Highland Coarse-haired Pocket MouseChaetodipus collis Blair, 1938HeteromyidaeChordataAccepted speciesRecorded extant
Durango Coarse-haired Pocket MouseChaetodipus durangae Neiswenter, Hafner, Light, Cepeda, Kinzer, Alexander & Riddle, 2019HeteromyidaeChordataAccepted speciesRecorded extant
Bailey's Pocket MouseChaetodipus baileyi (Merriam, 1894)HeteromyidaeChordataAccepted speciesRecorded extant
California Pocket MouseChaetodipus californicus (Merriam, 1889)HeteromyidaeChordataAccepted speciesRecorded extant
Chihuahuan Desert Pocket MouseChaetodipus eremicus (Mearns, 1898)HeteromyidaeChordataAccepted speciesRecorded extant
Long-tailed Pocket MouseChaetodipus formosus (Merriam, 1889)HeteromyidaeChordataAccepted speciesRecorded extant
Goldman's Pocket MouseChaetodipus goldmani (Osgood, 1900)HeteromyidaeChordataAccepted speciesRecorded extant
Nelson's Coarse-haired Pocket MouseChaetodipus nelsoni (Merriam, 1894)HeteromyidaeChordataAccepted speciesRecorded extant
Cerralvo Island Pocket MouseChaetodipus siccus (Osgood, 1907)HeteromyidaeChordataAccepted speciesRecorded extant
Spiny Pocket MouseChaetodipus spinatus (Merriam, 1889)HeteromyidaeChordataAccepted speciesRecorded extant

Browse 52 records assigned to Heteromyidae.

Names & synonyms

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

Recorded nameSource status
Perognathus fallax Merriam, 1889 Merriam, 1889synonym

Documented distribution

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

Middle America

North 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=552510 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:TBSZ. Classification follows source parent identifiers. English common names may vary by region.