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NATURAL HISTORY · CATALOGUE RECORD

Pine's Opossum

Monodelphis (Mygalodelphys) ronaldi Solari, 2007

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

Ronald's opossum (Monodelphis ronaldi) is a South American opossum species of the family Didelphidae. It was discovered in 2004, and most closely resembles M. adusta. It is known only from Manú National Park, Peru, where it inhabits the Amazon rainforest. It is named after American zoologist Ronald H. Pine.

Wikipedia contributors, Ronald's opossum; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T03:45:30.212494+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Monodelphis (Mygalodelphys) ronaldi Solari, 2007
Name authority
Solari, 2007
Common name
Pine's Opossum
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Didelphimorphia
Family
Didelphidae
Genus
Monodelphis
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. infraclassMetatheria Huxley, 1880
  11. orderDidelphimorphia Gill, 1872
  12. familyDidelphidae Gray, 1821
  13. subfamilyDidelphinae Gray, 1821
  14. tribeMarmosini Hershkovitz, 1992
  15. genusMonodelphis Burnett, 1830
  16. subgenusMygalodelphys Pavan & Voss, 2016
  17. speciesMonodelphis (Mygalodelphys) ronaldi Solari, 2007

Close classified relatives

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

SpeciesClassificationSource status
Gray Short-tailed OpossumMonodelphis (Monodelphis) domestica (Wagner, 1842)DidelphidaeChordataAccepted speciesRecorded extant
Amazonian Short-tailed OpossumMonodelphis (Pyrodelphys) emiliae (Thomas, 1912)DidelphidaeChordataAccepted speciesRecorded extant
Pygmy Short-tailed OpossumMonodelphis (Mygalodelphys) kunsi Pine, 1975DidelphidaeChordataAccepted speciesRecorded extant
Touan Short-tailed OpossumMonodelphis (Monodelphis) touan (Shaw, 1800)DidelphidaeChordataAccepted speciesRecorded extant
Peruvian Short-tailed OpossumMonodelphis (Mygalodelphys) peruviana Osgood, 1913DidelphidaeChordataAccepted speciesRecorded extant
Voss's Short-tailed OpossumMonodelphis (Monodelphis) vossi S.E. Pavan, 2019DidelphidaeChordataAccepted speciesRecorded extant
Gardner's Short-tailed OpossumMonodelphis (Microdelphys) gardneri Solari et al., 2012DidelphidaeChordataAccepted speciesRecorded extant
Santa Rosa Short-tailed OpossumMonodelphis (Monodelphis) sanctaerosae Voss, Pine & Solari, 2012DidelphidaeChordataAccepted speciesRecorded extant
Sepia Short-tailed OpossumMonodelphis (Mygalodelphys) adusta (Thomas, 1897)DidelphidaeChordataAccepted speciesRecorded extant
Northern Three-striped OpossumMonodelphis (Microdelphys) americana (P. L. S. Müller, 1776)DidelphidaeChordataAccepted speciesRecorded extant
Guyanan Short-tailed OpossumMonodelphis (Monodelphis) brevicaudata (Erxleben, 1777)DidelphidaeChordataAccepted speciesRecorded extant
Orange-sided OpossumMonodelphis (Monodelphiops) dimidiata (Wagner, 1847)DidelphidaeChordataAccepted speciesRecorded extant

Browse 84 records assigned to Didelphidae.

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=1255415 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:DTCS8. Classification follows source parent identifiers. English common names may vary by region.