Argentine fat-tailed mouse opossum

Species of marsupial

Argentine fat-tailed mouse opossum
Conservation status

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Marsupialia
Order: Didelphimorphia
Family: Didelphidae
Genus: Thylamys
Species:
T. sponsorius
Binomial name
Thylamys sponsorius
(Thomas, 1921)
Argentine fat-tailed mouse opossum range

The Argentine fat-tailed mouse opossum (Thylamys sponsorius) was formerly considered a species of opossum in the family Didelphidae.[2] It is found in the eastern foothills of the Andes in northern Argentina and southern Bolivia.[1] Typically reach around 10-13 cm (4-5 inches) in body length, with a bushy tail adding another 12-15 cm (5-6 inches). Its dorsal fur is gray brown to dark brown. Its ventral fur is gray-based except for the white to yellowish chest hairs. It has been distinguished from T. cinderella by its postorbital ridges. T. cinderella has well-developed postorbital ridges in both juveniles and adults that extend laterally behind the eye sockets. Only adults of T. sponsorius have fully developed postorbital ridges, and these do not extend laterally behind the eye sockets.[3] However, mitochondrial DNA sequence analysis does not support the population being distinct from T. cinderella.[4][5]

References

  1. ^ a b Diaz M. & Barquez, R. (2008). "Thylamys sponsorius". IUCN Red List of Threatened Species. 2008. Archived from the original on 2016-07-08. Retrieved 20 March 2009.old-form url
  2. ^ Gardner, A.L. (2005). "Order Didelphimorphia". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 18. ISBN 978-0-8018-8221-0. OCLC 62265494.
  3. ^ Gardner, Alfred L. (2008). Mammals of South America: Marsupials, xenarthrans, shrews, and bats. University of Chicago Press. p. 669. ISBN 978-0-226-28240-4.
  4. ^ Flores, D. (2016). "Thylamys cinderella". IUCN Red List of Threatened Species. 2016: e.T51343307A22173237. doi:10.2305/IUCN.UK.2016-2.RLTS.T51343307A22173237.en. Retrieved 26 December 2019.
  5. ^ Braun, J.K.; et al. (2005). "Phylogenetic and biogeographic relationships of mouse opossums Thylamys (Didelphimorphia, Didelphidae) in southern South America". Journal of Mammalogy. 86 (1): 147–159. doi:10.1644/1545-1542(2005)086<0147:PABROM>2.0.CO;2.
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Extant Didelphimorphia (opossums) species
Subfamily Caluromyinae
Caluromys
(Woolly opossums)
Subgenus Caluromys
Bare-tailed woolly opossum (C. philander)
Subgenus Mallodelphys
Derby's woolly opossum (C. derbianus)
Brown-eared woolly opossum (C. lanatus)
Caluromysiops
  • Black-shouldered opossum (C. irrupta)
Glironia
  • Bushy-tailed opossum (G. venusta)
Subfamily Didelphinae (cont. below)
Chacodelphys
  • Chacoan pygmy opossum (C. chacoensis)
Chironectes
  • Water opossum (C. minimus)
Cryptonanus
  • Agricola's gracile opossum (C. agricolai)
  • Chacoan gracile opossum (C. chacoensis)
  • Guahiba gracile opossum (C. guahybae)
  • Unduavi gracile opossum (C. unduaviensis)
Didelphis
(Large American
opossums)
  • White-eared opossum (D. albiventris)
  • Big-eared opossum (D. aurita)
  • Guianan white-eared opossum (D. imperfecta)
  • Common opossum (D. marsupialis)
  • Andean white-eared opossum (D. pernigra)
  • Virginia opossum (D. virginiana)
Gracilinanus
  • Aceramarca gracile opossum (G. aceramarcae)
  • Agile gracile opossum (G. agilis)
  • Wood sprite gracile opossum (G. dryas)
  • Emilia's gracile opossum (G. emilae)
  • Northern gracile opossum (G. marica)
  • Brazilian gracile opossum (G. microtarsus)
Hyladelphys
  • Kalinowski's mouse opossum (H. kalinowskii)
Lestodelphys
  • Patagonian opossum (L. halli)
Lutreolina
  • Big lutrine opossum (L. crassicaudata)
  • Massoia's lutrine opossum (L. massoia))
Marmosa
(Mouse opossums)
  • Alston's mouse opossum (M. alstoni)
  • Heavy-browed mouse opossum (M. andersoni)
  • White-bellied woolly mouse opossum (M. constantiae)
  • Woolly mouse opossum (M. demerarae)
  • Isthmian mouse opossum (M. isthmica)
  • Rufous mouse opossum (M. lepida)
  • Mexican mouse opossum (M. mexicana)
  • Linnaeus's mouse opossum (M. murina)
  • Tate's woolly mouse opossum (M. paraguayanus)
  • Little woolly mouse opossum (M. phaeus)
  • Quechuan mouse opossum (M. quichua)
  • Bare-tailed woolly mouse opossum (M. regina)
  • Robinson's mouse opossum (M. robinsoni)
  • Red mouse opossum (M. rubra)
  • Tyler's mouse opossum (M. tyleriana)
  • Guajira mouse opossum (M. xerophila)
Marmosops
  • Bishop's slender opossum (M. bishopi)
  • Narrow-headed slender opossum (M. cracens)
  • Creighton's slender opossum (M. creightoni)
  • Dorothy's slender opossum (M. dorothea)
  • Dusky slender opossum (M. fuscatus)
  • Handley's slender opossum (M. handleyi)
  • Tschudi's slender opossum (M. impavidus)
  • Gray slender opossum (M. incanus)
  • Panama slender opossum (M. invictus)
  • Junin slender opossum (M. juninensis)
  • Neblina slender opossum (M. neblina)
  • White-bellied slender opossum (M. noctivagus)
  • Delicate slender opossum (M. parvidens)
  • Brazilian slender opossum (M. paulensis)
  • Pinheiro's slender opossum (M. pinheiroi)
Subfamily Didelphinae (cont. above)
Metachirus
  • Brown four-eyed opossum (M. nudicaudatus)
Monodelphis
(Short-tailed
opossums)
  • Sepia short-tailed opossum (M. adusta)
  • Northern three-striped opossum (M. americana)
  • Northern red-sided opossum (M. brevicaudata)
  • Yellow-sided opossum (M. dimidiata)
  • Gray short-tailed opossum (M. domestica)
  • Emilia's short-tailed opossum (M. emiliae)
  • Amazonian red-sided opossum (M. glirina)
  • Ihering's three-striped opossum (M. iheringi)
  • Pygmy short-tailed opossum (M. kunsi)
  • Marajó short-tailed opossum (M. maraxina)
  • Osgood's short-tailed opossum (M. osgoodi)
  • Hooded red-sided opossum (M. palliolata)
  • Peruvian short-tailed opossum (M. peruviana)
  • Reig's opossum (M. reigi)
  • Ronald's opossum (M. ronaldi)
  • Chestnut-striped opossum (M. rubida)
  • Long-nosed short-tailed opossum (M. scalops)
  • Southern red-sided opossum (M. sorex)
  • Southern three-striped opossum (M. theresa)
  • Red three-striped opossum (M. umbristriata)
  • One-striped opossum (M. unistriata)
Philander
(Gray & black four-
eyed opossums)
  • Anderson's four-eyed opossum (P. andersoni)
  • Deltaic four-eyed opossum (P. deltae)
  • Southeastern four-eyed opossum (P. frenatus)
  • McIlhenny's four-eyed opossum (P. mcilhennyi)
  • Mondolfi's four-eyed opossum (P. mondolfii)
  • Olrog's four-eyed opossum (P. olrogi)
  • Gray four-eyed opossum (P. opossum)
Thylamys
  • Cinderella fat-tailed mouse opossum (T. cinderella)
  • Elegant fat-tailed mouse opossum (T. elegans)
  • Karimi's fat-tailed mouse opossum (T. karimii)
  • Paraguayan fat-tailed mouse opossum (T. macrurus)
  • White-bellied fat-tailed mouse opossum (T. pallidior)
  • Common fat-tailed mouse opossum (T. pusillus)
  • Argentine fat-tailed mouse opossum (T. sponsorius)
  • Tate's fat-tailed mouse opossum (T. tatei)
  • Dwarf fat-tailed mouse opossum (T. velutinus)
  • Buff-bellied fat-tailed mouse opossum (T. venustus)
Tlacuatzin
  • Grayish mouse opossum (T. canescens)
Taxon identifiers
Thylamys sponsorius
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