Chacodelphys formosa

(Shamel, 1930)

Pygmy Opossum

Taxonomy

Subclass : Theria
Infraclass : Marsupialia
Superorder : Ameridelphia
Order : Didelphimorphia
Family : Didelphidae
Subfamily : Didelphinae
Tribe : Thylamyini
Genus : Chacodelphys

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Shamel, H.H. 1930. A new name for _Marmosa muscula_ Shamel. Journal of Mammalogy 11(3):311.

Authority publication link

https://academic.oup.com/jmammal/article-abstract/11/3/311/828164?redirectedFrom=fulltext

Original name as described

Marmosa formosa

Other common names

Chacoan Pygmy Opossum

Type material

USNM:MAMM:236330

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3732dbab7-1ffb-4123-9531-31f3b82718a9

Type locality

"Kilometro 182 (Central Formosa)" (= Riacho Pilagá, 10 miles north-west of Km 182), Formosa, Argentina.

Biogeographic realm

Neotropic

Country distribution

Argentina

Taxonomy notes

moved from Gracilinanus to Chacodelphys

Taxonomy notes citation

Voss, R. S., Gardner, A. L., & Jansa, S. A. (2004). On the relationships of "Marmosa" formosa Shamel, 1930 (Marsupialia: Didelphidae), a phylogenetic puzzle from the Chaco of northern Argentina. American Museum Novitates, 2004(3442), 1-18.

IUCN Red List status

Near Threatened

Species Permalink

https://www.mammaldiversity.org/taxon/1000093

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 formosa

(Shamel, 1930)

Family

Didelphidae

Root name

formosa

Validity status

species

Nomenclatural status

nomen_novum

Type

USNM:MAMM:236330

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3732dbab7-1ffb-4123-9531-31f3b82718a9

Authority page

311

Authority publication

Journal of Mammalogy

Name usages

  1. Corbet & Hill (1980:8) (information at https://hesperomys.com/a/63069)
  2. Honacki, Kinman & Koeppl (1982:21) (information at https://hesperomys.com/a/63071)

Marmosa muscula

(Shamel, 1930)

Family

Didelphidae

Root name

muscula

Validity status

synonym

Nomenclatural status

preoccupied

Type

USNM:MAMM:236330

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3732dbab7-1ffb-4123-9531-31f3b82718a9

Authority page

83

Authority page URI

https://www.biodiversitylibrary.org/page/39921449

Authority publication

Journal of the Washington Academy of Sciences

Name usages

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

Gracilinanus formosus

(A. L. Gardner, 2005)

Family

Didelphidae

Root name

formosus

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

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

Chacodelphys formosa

Mittermeier & D. E. Wilson, 2015

Family

Didelphidae

Root name

formosa

Validity status

synonym

Nomenclatural status

name_combination

Authority page

169

Authority publication

Barcelona

Name usages

  1. Mittermeier & Wilson (2015:169) (information at https://hesperomys.com/a/59410)
  2. Mammal Diversity Database (2018:ID #136547) (information at https://hesperomys.com/a/67336)
  3. Mammal Diversity Database (2019:ID #136547) (information at https://hesperomys.com/a/67337)
  4. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1000093) (information at https://hesperomys.com/a/67250)
  5. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/136547/22175485) (information at https://hesperomys.com/a/67246)

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