Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
OrdoTherapsida
Cladus: Theriodontia
Subordo: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Metatheria
Cohort: Marsupialia
Ordo: Didelphimorphia
Familia: Didelphidae
Subfamilia: Didelphinae
Tribus: Thylamyini
Genus: Thylamys
Species (10): T. cinderella - T. elegans - T. karimii - T. macrurus - T. pallidior - T. pusillus - T. sponsorius - T. tatei - T. velutinus - T. venustus
Name
Thylamys Gray, 1843
Type species: Didelphis elegans Waterhouse, 1839
Synonyms
Grymaeomys Burmeister, 1854
Microdelphys Burmeister, 1856
Sarigua Muirhead, 1819
References
Boric-Bargetto, D., Zúñiga-Reinoso, A., Cancino, R.A., González-Acuña, D., Rodríguez-Serrano, E., Palma, R.E. & Bautista-Hernandez, C.E. 2016. Phylogenetic evaluation of taxonomic definition of didelphid mouse opossum of the genus Thylamys from valleys of Coquimbo region, Chile. Zootaxa 4105(4): 339–352. DOI: 10.11646/zootaxa.4105.4.3. Reference page.
List Specimens Mamm. Coll. Brit. Mus., p. 101
Thylamys in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
Wilson, D.E. & Reeder, D.M. (eds.) 2005. Mammal Species of the World: a taxonomic and geographic reference. 3rd edition. The Johns Hopkins University Press: Baltimore. 2 volumes. 2142 pp. ISBN 978-0-8018-8221-0. Reference page.
Vernacular names
English: Fat-tailed Mouse Opossums
Thylamys is a genus of opossums in the family Didelphidae. The premaxillae are rounded rather than pointed. The females lack a pouch. The females' nipples are arranged in two symmetrical rows on the abdomen.[2] All species but T. macrurus store fat in their tails.,[3] although this is not necessarily true for all species in the genus.[4] Fossils belonging to the genus date back to the Miocene, with the oldest specimens being found in the Cerro Azul Formation of Argentina and the Honda Group of Colombia.[5] Genetic studies indicate that the genus may have originated around 14 million years ago.[6]
Taxonomy
Cladogram of living Thylamys species.[7][8]
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Other species of Thylamys.[11]
†T. colombianus Goin 1997
T. fenestrae (Marelli 1932) [12]
†T. minutus Goin 1997
†T. pinei Goin, Montalvo & Visconti 2000
†T. zettii Goin 1997
References
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. pp. 17–18. ISBN 978-0-8018-8221-0. OCLC 62265494.
Eisenberg, John Frederick; Redford, Kent Hubbard (1999). Mammals of the Neotropics: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. University of Chicago Press. p. 624. ISBN 978-0-226-19542-1.
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.
Voss, R.S. & Jansa, S.A. (2003). "Nonmolecular data and new IRBP sequences: separate and combined analyses of didelphine relationships with denser taxon sampling". Bulletin of the American Museum of Natural History. 276: 1–82. doi:10.1206/0003-0090(2003)276<0001:PSODMI>2.0.CO;2. hdl:2246/444.
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.
Steiner, C.; et al. (2005). "New DNA data from transthyretin nuclear intron suggest an Oligocene to Miocene diversification of living South American opossums (Marsupialia: Didelphidae)". Molecular Phylogenetics and Evolution. 35 (2): 363–379. doi:10.1016/j.ympev.2004.12.013. PMID 15804409.
Upham, Nathan S.; Esselstyn, Jacob A.; Jetz, Walter (2019). "Inferring the mammal tree: Species-level sets of phylogenies for questions in ecology, evolution and conservation". PLOS Biol. 17 (12): e3000494. doi:10.1371/journal.pbio.3000494. PMC 6892540. PMID 31800571.
Amador, Lucila I.; Giannini, Norberto P. (2016). "Phylogeny and evolution of body mass in didelphid marsupials (Marsupialia: Didelphimorphia: Didelphidae)". Organisms Diversity & Evolution. 16 (3): 641–657. doi:10.1007/s13127-015-0259-x. S2CID 17393886.
Flores, D.; Teta, P. (2016). "Thylamys citellus". IUCN Red List of Threatened Species. 2016: e.T199835A22172943. doi:10.2305/IUCN.UK.2016-2.RLTS.T199835A22172943.en. Retrieved 9 January 2020.
Flores, D.; Teta, P. (2016). "Thylamys pulchellus". IUCN Red List of Threatened Species. 2016: e.T199834A22172571. doi:10.2305/IUCN.UK.2016-2.RLTS.T199834A22172571.en. Retrieved 9 January 2020.
Thylamys at Fossilworks.org
Martin, G.M.; Flores, D. (2016). "Thylamys fenestrae". IUCN Red List of Threatened Species. 2016: e.T199836A22172852. doi:10.2305/IUCN.UK.2016-2.RLTS.T199836A22172852.en. Retrieved 9 January 2020.
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