The 27 species in the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

''Marmosa'' are relatively small

Neotropical The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeogra ...

members of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Didelphidae. This genus is one of three that are known as mouse opossums. The others are '' Thylamys'' (the "fat-tailed mouse opossums") and '' Tlacuatzin'', the grayish mouse opossum. Members of the genus '' Marmosops'' used to be called "slender mouse opossums", but are now just called "slender opossums". The thirteen members of the ''Marmosa'' subgenus ''Micoureus'', known as woolly mouse opossums, were formerly considered to be a separate genus, but were moved into ''Marmosa'' in 2009. Based on a comparison of sequences of one mitochondrial and three nuclear genes, three new subgenera, ''Eomarmosa'', ''Exulomarmosa'' and ''Stegomarmosa'', were recognized by Voss ''et al.'' in 2014. ''Eomarmosa'' and ''Exulomarmosa'', as well as ''Marmosa'' and ''Micoureus'', are thought to be

sister taxa In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree. Definition The expression is most easily illustrated by a cladogram: Taxon A and ...

, while ''Stegomarmosa'' is viewed as sister to ''Marmosa'' plus ''Micoureus''. ''Exulomarmosa'' is a mostly trans-Andean (west of the

Andes The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the List of longest mountain chains on Earth, longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range ...

) clade. Subgenus ''Eomarmosa''

Voss Voss () is a Municipalities of Norway, municipality and a Districts of Norway, traditional district in Vestland Counties of Norway, county, Norway. The administrative center of the municipality is the village of Vossevangen. Other villages inclu ...

, Gutierrez, Solari, Rossi & Jansa 2014 *'' Marmosa rubra''

Tate Tate is an institution that houses, in a network of four art galleries, the United Kingdom's national collection of British art, and international modern and contemporary art. It is not a government institution, but its main sponsor is the UK ...

, 1931 Subgenus ''Exulomarmosa''

, Gutierrez, Solari, Rossi & Jansa 2014 *'' Marmosa isthmica'' Goldman. 1912 *'' Marmosa mexicana''

Merriam Merriam can refer to: People * Alan P. Merriam (1923–1980), American ethnomusicologist * Charles Edward Merriam (1874–1953), American political scientist *Charles W. Merriam (1877–1961), American insurance businessman and politician * Clinton ...

, 1897 *'' Marmosa robinsoni''

Bangs Bang, bang!, or bangs may refer to: Products * M1922 Bang rifle, a US semi-automatic rifle designed by Søren Hansen Bang * Bang, a List of model car brands, model car brand * Bang (beverage), an energy drink Geography * Bang, Central African ...

, 1898 *'' Marmosa simonsi''

Thomas Thomas may refer to: People * List of people with given name Thomas * Thomas (name) * Thomas (surname) * Saint Thomas (disambiguation) * Thomas Aquinas (1225–1274) Italian Dominican friar, philosopher, and Doctor of the Church * Thomas the A ...

, 1899 *'' Marmosa xerophila'' Handley & Gordon, 1979 *'' Marmosa zeledoni'' Goldman, 1911 Subgenus ''Marmosa'' J. E. Gray 1821 *'' Marmosa macrotarsus'' (

Wagner Wilhelm Richard Wagner ( ; ; 22 May 181313 February 1883) was a German composer, theatre director, essayist, and conductor who is chiefly known for his operas (or, as some of his mature works were later known, "music dramas"). Unlike most o ...

, 1842) *'' Marmosa murina'' (

Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

, 1758) *'' Marmosa tyleriana''

1931 *'' Marmosa waterhousei'' ( Tomes, 1860) Subgenus ''Micoureus'' Lesson 1842 *'' Marmosa adleri'' Voss, Giarla, & Jansa, 2021 * '' Marmosa alstoni'' ( J. A. Allen, 1900) * '' Marmosa constantiae''

, 1900 * '' Marmosa demerarae''

, 1905 *'' Marmosa germana''

, 1904 *'' Marmosa jansae'' Voss & Giarla, 2021 *'' Marmosa limae''

, 1920 *'' Marmosa meridae''

, 1931 * '' Marmosa paraguayana''

, 1931 *'' Marmosa parda''

, 1931 *'' Marmosa perplexa'' Anthony, 1922 * '' Marmosa phaea''

, 1899 *'' Marmosa rapposa''

, 1899 * '' Marmosa regina'' (

, 1898) *'' Marmosa rutteri''

, 1924 Subgenus ''Stegomarmosa''

Pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. ''World Flora Online'' accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as cu ...

, 1972 *'' Marmosa andersoni'' Pine, 1972 *'' Marmosa lepida'' (

, 1888)

References

Opossums Marsupial genera Taxa named by John Edward Gray {{marsupial-stub