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Contents

   



(Top)
 


1 Phylogeny  





2 Taxonomy  





3 Footnotes  





4 References  














Australidelphia






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From Wikipedia, the free encyclopedia
 

(Redirected from Eomarsupialia)

Australidelphia
Temporal range: 61.6–0 Ma

O

S

D

C

P

T

J

K

Pg

N

Early Paleocene to present[1]
Aswamp wallaby
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Marsupialia
Superorder: Australidelphia
Szalay 1982
Orders

Australidelphia is the superorder that contains roughly three-quarters of all marsupials, including all those native to Australasia and a single species – the monito del monte – from South America. All other American marsupials are members of the Ameridelphia. Analysis of retrotransposon insertion sites in the nuclear DNA of a variety of marsupials has shown that the South American monito del monte's lineage is the most basal of the superorder.[3][4]

The Australian australidelphians form a clade, for which the name Euaustralidelphia ("true Australidelphia") has been proposed (the branching order within this group is yet to be determined).[4] The study also showed that the most basal of all marsupial orders are the other two South American groups (Didelphimorphia and Paucituberculata, with the former probably branching first). This indicates that Australidelphia arose in South America along with the other major divisions of extant marsupials, and likely reached Australia via Antarctica in a single dispersal event after Microbiotheria split off.[3][4]

Phylogeny[edit]

Phylogeny of living Australidelphia based on the work of May-Collado, Kilpatrick & Agnarsson 2015[5] with extinct clades from Black et al. 2012[6]

Australidelphia

(*)This clade has been called Agreodontia by other authors since 2014.

Taxonomy[edit]

The orders within this group are listed below:

Footnotes[edit]

References[edit]

  1. ^ "PBDB". paleobiodb.org. Retrieved 2021-07-13.
  • ^ a b 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)" (PDF). Journal of Mammalian Evolution. 21 (2): 127–172. doi:10.1007/s10914-013-9236-3. S2CID 18490996.
  • ^ a b Schiewe, Jessie (2010-07-28). "Australia's marsupials originated in what is now South America, study says". Los Angeles Times. Archived from the original on 1 August 2010. Retrieved 2010-08-01.
  • ^ a b c Nilsson, M. A.; Churakov, G.; Sommer, M.; Van Tran, N.; Zemann, A.; Brosius, J.; Schmitz, J. (2010-07-27). Penny, David (ed.). "Tracking Marsupial Evolution Using Archaic Genomic Retroposon Insertions". PLOS Biology. 8 (7): e1000436. doi:10.1371/journal.pbio.1000436. PMC 2910653. PMID 20668664.
  • ^ May-Collado; et al. (2015). "Mammals from 'down under': a multi-gene species-level phylogeny of marsupial mammals (Mammalia, Metatheria)". PeerJ. 3 (e805): e805. doi:10.7717/peerj.805. PMC 4349131. PMID 25755933.
  • ^ 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. ISBN 9789048134274.
  • icon Mammals

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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Australidelphia&oldid=1229832792"

    Categories: 
    Australidelphia
    Australasian realm fauna
    Mammal superorders
    Extant Paleocene first appearances
    Marsupials of Australia
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    Paleocene mammals of Australia
    Paleocene mammals of Oceania
    Marsupial stubs
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