Thylamys pulchellus

(Cabrera, 1934)

Chacoan Fat-tailed Opossum

Taxonomy

Subclass : Theria
Infraclass : Marsupialia
Superorder : incertae sedis
Order : Didelphimorphia
Family : Didelphidae
Subfamily : Didelphinae
Tribe : Thylamyini
Genus : Thylamys
Subgenus : Thylamys

Species status

Living
Found in the wild

Authority citation

Cabrera, Á. 1934-05-28. Dos nuevos micromamíferos del norte argentino. Notas Preliminares del Museo de La Plata 3(1):123-128.

Original name as described

Marmosa janetta pulchella

Type material

MLP 21-X-35-32

Type kind

holotype

Type locality

Robles, Santiago del Estero Province, Argentina.

Biogeographic realm

Neotropic

Country distribution

Argentina

Distribution notes

N Argentina in Formosa, Chaco, Santiago del Estero, and E Salta provinces, probably extending to northern Córdoba and Santa Fe provinces.

Taxonomy notes

variously recognized as a synonym of T. pusillus or as a distinct species in recent literature, but the taxon is tentatively recognized as a distinct species from T. pusillus based primarily on genetic divergence, despite being morphologically cryptic

Taxonomy notes citation

Teta, P., D'Elía, G., Flores, D. and Sancha, N.D.L. 2009. Diversity and distribution of the mouse opossums of the genus Thylamys (Didelphimorphia, Didelphidae) in northeastern and central Argentina. Gayana 73(2):180-199. doi:10.4067/s0717-65382009000200003 · Giarla, T.C., Voss, R.S. and Jansa, S.A. 2010. Species limits and phylogenetic relationships in the didelphid marsupial genus Thylamys based on mitochondrial DNA sequences and morphology. Bulletin of the American Museum of Natural History 346:1-67. doi:10.1206/716.1 · Palma, R.E., Boric-Bargetto, D., Jayat, J.P., Flores, D.A., Zeballos, H., Pacheco, V.R., Cancino, R.A., Alfaro, F.D., Rodríguez-Serrano, E. and Pardiñas, U.F.J. 2014. Molecular phylogenetics of mouse opossums: new findings on the phylogeny of Thylamys (Didelphimorphia, Didelphidae). Zoologica Scripta 43(3):217-234. doi:10.1111/zsc.12051 · Voss, R.S. 2022. An annotated checklist of Recent opossums (Mammalia: Didelphidae). Bulletin of the American Museum of Natural History 455:1-74. a#56910 · Martin, G.M. 2025. A chronology of the genus Thylamys (Didelphidae, Thylamyini), with emphasis on the forms occurring in Argentina. Revista del Museo Argentino de Ciencias Naturales (n.s.)27(2):243-270. doi:10.22179/REVMACN.27.894

IUCN Red List status

Least Concern

Species Permalink

https://mammaldiversity.org/taxon/1007007

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Marmosa janetta pulchella

(Cabrera, 1934)

Family

Didelphidae

Root name

pulchellus

Validity status

species

Nomenclatural status

available

Type

MLP 21-X-35-32

Type kind

holotype

Authority page

126

Authority publication

Notas Preliminares del Museo de La Plata

Name usages

Gardner (2005) (information at https://hesperomys.com/a/8547)

Thylamys pulchellus

Mittermeier & D. E. Wilson, 2015

Family

Didelphidae

Root name

pulchellus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

177

Authority publication

Barcelona

Name usages

  1. Mittermeier & Wilson (2015:177) (information at https://hesperomys.com/a/59410)
  2. Mammal Diversity Database (2018:ID #199834) (information at https://hesperomys.com/a/67336)
  3. Mammal Diversity Database (2019:ID #199834) (information at https://hesperomys.com/a/67337)
  4. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/199834/22172571) (information at https://hesperomys.com/a/67246)

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