NATURAL HISTORY · CATALOGUE RECORD
Anderson's Mouse Opossum
Marmosa (Stegomarmosa) andersoni Pine, 1972
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.
Open encyclopedia reference
The heavy-browed mouse opossum (Marmosa andersoni), or Anderson's mouse opossum, is a species of opossum in the family Didelphidae. It is endemic to a restricted range in southern Peru. This opossum inhabits forests; it is nocturnal and probably arboreal.
Wikipedia contributors, Heavy-browed mouse opossum; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T10:41:03.849266+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Marmosa (Stegomarmosa) andersoni Pine, 1972
- Name authority
- Pine, 1972
- Common name
- Anderson's Mouse Opossum
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Didelphimorphia
- Family
- Didelphidae
- Genus
- Marmosa
- 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.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classMammalia Linnaeus, 1758
- subclassTheria Parker & Haswell, 1897
- infraclassMetatheria Huxley, 1880
- orderDidelphimorphia Gill, 1872
- familyDidelphidae Gray, 1821
- subfamilyDidelphinae Gray, 1821
- tribeMarmosini Hershkovitz, 1992
- genusMarmosa Gray, 1821
- subgenusStegomarmosa Pine, 1972
- speciesMarmosa (Stegomarmosa) andersoni Pine, 1972
Close classified relatives
These entries share the source’s genus, Marmosa. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Linnaeus's Mouse OpossumMarmosa (Exulomarmosa) murina (Linnaeus, 1758) | DidelphidaeChordata | Accepted speciesRecorded extant |
| Red Mouse OpossumMarmosa (Eomarmosa) rubra Tate, 1931 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Dryland Mouse OpossumMarmosa (Exulomarmosa) xerophila Handley & Gordon, 1979 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Zeledon's Mouse OpossumMarmosa (Exulomarmosa) zeledoni Goldman, 1911 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Waterhouse's Mouse OpossumMarmosa (Marmosa) waterhousii Tomes, 1860 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Panama Mouse OpossumMarmosa (Exulomarmosa) isthmica Goldman, 1912 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Bare-tailed Woolly Mouse OpossumMarmosa (Micoureus) rutteri Thomas, 1924 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Little Woolly Mouse OpossumMarmosa (Micoureus) phaea Thomas, 1899 | DidelphidaeChordata | Accepted speciesRecorded extant |
| North-eastern Woolly Mouse OpossumMarmosa (Micoureus) demerarae Thomas, 1905 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Mexican Mouse OpossumMarmosa (Exulomarmosa) mexicana Merriam, 1897 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Robinson's Mouse OpossumMarmosa (Exulomarmosa) robinsoni Bangs, 1898 | DidelphidaeChordata | Accepted speciesRecorded extant |
| Tyleria Mouse OpossumMarmosa (Marmosa) tyleriana Tate, 1931 | DidelphidaeChordata | Accepted speciesRecorded extant |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
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.
- https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=552545 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:3Y83C. Classification follows source parent identifiers. English common names may vary by region.