# Australidelphia

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**Australidelphia** is a [superorder](/source/Superorder) of [marsupials](/source/Marsupial) encompassing about three-quarters of all living marsupial species, including all those native to [Australasia](/source/Australasia) and one South American species, the [monito del monte](/source/Monito_del_monte). Unlike other American marsupials, which belong to the [Ameridelphia](/source/Ameridelphia), Australidelphia's lineage emerged in South America, with genetic evidence ([retrotransposon](/source/Retrotransposon) insertion sites) indicating that the South American monito del monte is sister to all other members of the superorder.[3][4]

Within this superorder, the Australian members form a distinct group ([clade](/source/Clade)) named [Eomarsupialia](/source/Eomarsupialia),[2] though their internal relationships (branching order) have yet to be determined.[4] Studies suggest that the Australidelphia originated in South America alongside other major marsupial groups.[4] The Eomarsupialia likely [dispersed](/source/Biological_dispersal) to Australia via [Antarctica](/source/Antarctica) in a single event after their divergence from their [sister group](/source/Sister_group), the [Microbiotheria](/source/Microbiotheria).[4]

## Phylogeny

The following cladogram is a phylogeny of Australidelphia based on the work of May-Collado, Kilpatrick & Agnarsson 2015,[5] with extinct clades from Black et al. 2012.[6]

## Taxonomy

The [orders](/source/Order_(biology)) within this group are listed below:

- Genus †*[Djarthia](/source/Djarthia)* Godthelp, Wroe & Archer 1999
- Order [Dasyuromorphia](/source/Dasyuromorphia) (71 species) - Family [Dasyuridae](/source/Dasyuridae): [antechinuses](/source/Antechinus), [quolls](/source/Quoll), [dunnarts](/source/Dunnart), [Tasmanian devil](/source/Tasmanian_devil), and allies - Family [Myrmecobiidae](/source/Myrmecobiidae): [numbat](/source/Numbat) - Family †[Thylacinidae](/source/Thylacinidae): [thylacine](/source/Thylacine)
- Order [Diprotodontia](/source/Diprotodontia) (117 species) - Family [Acrobatidae](/source/Acrobatidae): [feathertail glider](/source/Feathertail_glider) and [feather-tailed possum](/source/Feather-tailed_possum) - Family [Burramyidae](/source/Burramyidae): pygmy possums - Family [Hypsiprymnodontidae](/source/Hypsiprymnodontidae): [musky rat-kangaroo](/source/Musky_rat-kangaroo) - Family [Macropodidae](/source/Macropodidae): kangaroos, wallabies, and allies - Family [Petauridae](/source/Petauridae): [striped possum](/source/Striped_possum), [Leadbeater's possum](/source/Leadbeater's_possum), [yellow-bellied glider](/source/Yellow-bellied_glider), [sugar glider](/source/Sugar_glider), [mahogany glider](/source/Mahogany_glider), [squirrel glider](/source/Squirrel_glider) - Family [Phalangeridae](/source/Phalangeridae): brushtail possums and cuscuses - Family [Phascolarctidae](/source/Phascolarctidae): [koala](/source/Koala) - Family [Potoridae](/source/Potoridae): potoroos, rat kangaroos, bettongs - Family [Pseudocheiridae](/source/Pseudocheiridae): ringtailed possums and allies - Family [Tarsipedidae](/source/Tarsipedidae): [honey possum](/source/Honey_possum) - Family [Vombatidae](/source/Vombatidae): [wombats](/source/Wombats) - Family †[Diprotodontidae](/source/Diprotodontidae): giant wombats - Family †[Palorchestidae](/source/Palorchestidae): marsupial tapirs - Family †[Thylacoleonidae](/source/Thylacoleonidae): marsupial lions
- Order [Microbiotheria](/source/Microbiotheria) (1 species) - Family [Microbiotheriidae](/source/Microbiotheriidae): [monito del monte](/source/Monito_del_monte)
- Order [Notoryctemorphia](/source/Notoryctemorphia) (2 species) - Family [Notoryctidae](/source/Notoryctidae): marsupial moles
- Order [Peramelemorphia](/source/Peramelemorphia) (21 species) - Family [Peramelidae](/source/Peramelidae): [bandicoots](/source/Bandicoots) and allies - Family [Thylacomyidae](/source/Thylacomyidae): [bilbies](/source/Bilby) - Family †Chaeropodidae: [pig-footed bandicoots](/source/Pig-footed_bandicoot)
- Order †[Yalkaparidontia](/source/Yalkaparidontia) Archer, Hand & Godthelp 1988 - Family †[Yalkaparidontidae](/source/Yalkaparidontidae) Archer, Hand & Godthelp 1988

## References

1. ["PBDB"](https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=99550&is_real_user=1). *paleobiodb.org*. Retrieved 2021-07-13.

1. Beck, R. M. D.; Travouillon, K. J.; Aplin, K. P.; Godthelp, H.; Archer, M. (2014). ["The Osteology and Systematics of the Enigmatic Australian Oligo-Miocene Metatherian Yalkaparidon (Yalkaparidontidae; Yalkaparidontia; ?Australidelphia; Marsupialia)"](https://salford-repository.worktribe.com/output/1420795/the-osteology-and-systematics-of-the-enigmatic-australian-oligo-miocene-metatherian-yalkaparidon-yalkaparidontidae-yalkaparidontiaaustralidelphia-marsupialia). *Journal of Mammalian Evolution*. **21** (2): 127–172. [doi:10.1007/s10914-013-9236-3](https://doi.org/10.1007/s10914-013-9236-3). [S2CID 18490996](https://api.semanticscholar.org/CorpusID:18490996)

1. Schiewe, Jessie (2010-07-28). ["Australia's marsupials originated in what is now South America, study says"](http://www.latimes.com/news/science/la-sci-marsupial-20100728,0,5549873.story). *[Los Angeles Times](/source/Los_Angeles_Times)*. [Archived](https://web.archive.org/web/20100801001045/http://www.latimes.com/news/science/la-sci-marsupial-20100728%2C0%2C5549873.story) 1 August 2010 at the Wayback Machine. Retrieved 2010-08-01.

1. Nilsson, M. A.; Churakov, G.; Sommer, M.; Van Tran, N.; Zemann, A.; Brosius, J.; Schmitz, J. (2010-07-27). "Tracking Marsupial Evolution Using Archaic Genomic Retroposon Insertions". *[PLOS Biology](/source/PLOS_Biology)*. **8** (7). [doi:10.1371/journal.pbio.1000436](https://doi.org/10.1371/journal.pbio.1000436). [PMC 2910653](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2910653). [PMID 20668664](https://pubmed.ncbi.nlm.nih.gov/20668664)

1. May-Collado et al. (2015). "Mammals from 'down under': a multi-gene species-level phylogeny of marsupial mammals (Mammalia, Metatheria).". *[PeerJ](/source/PeerJ)*. **3**. [doi:10.7717/peerj.805](https://doi.org/10.7717/peerj.805). [PMC 4349131](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4349131). [PMID 25755933](https://pubmed.ncbi.nlm.nih.gov/25755933)

1. Black et al. (2012). "The Rise of Australian Marsupials: A Synopsis of Biostratigraphic, Phylogenetic, Palaeoecologic and Palaeobiogeographic Understanding". *Earth and Life*. Springer Netherlands. pp. 983–1078. [doi:10.1007/978-90-481-3428-1_35](https://doi.org/10.1007/978-90-481-3428-1_35). ISBN 978-90-481-3427-4.

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Adapted from the Wikipedia article [Australidelphia](https://en.wikipedia.org/wiki/Australidelphia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Australidelphia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.