Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohort: Metatheria
Cohors: Marsupialia
Cladus: Australidelphia
Cladus: Eomarsupialia
Ordo: Diprotodontia
Subordo: Macropodiformes
Familia: Potoroidae
Subfamiliae: †Propleopinae ...
Overview of genera
Aepyprymnus – Bettongia – Potorous – †Caloprymnus – †Ekaltadeta – †Propleopus – †Wakiewakie
Name
Potoroidae Gray, 1821
References
Potoroidae 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.
London Med. Repos. 15: 308.
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.
Archer, M.; Flannery, T.F. 1985: Revision of the extinct gigantic rat kangaroos (Potoroidae: Marsupialia), with description of a new Miocene genus and species and a new Pleistocene species of Propleopus. Journal of paleontology, 59: 1331-1349.
Vernacular names
English: Potoroos and bettongs
polski: Kanguroszczurowate
Türkçe: Sıçan kangurusugiller
Potoroidae is a family of marsupials, small Australian animals known as bettongs, potoroos, and rat-kangaroos. All are rabbit-sized, brown, jumping marsupials and resemble a large rodent or a very small wallaby.
Taxonomy
The potoroids are smaller relatives of the kangaroos and wallabies, and may be ancestral to that group. In particular, the teeth show a simpler pattern than in the kangaroo family, with longer upper incisors, larger canines, and four cusps on the molars.[2] However, both groups possess a wide diastema between the incisors and the cheek teeth, and the potoroids have a similar dental formula to their larger relatives:
Dentition
3.0-1.2.4
1.0.2.4
In most respects, however, the potoroids are similar to small wallabies. Their hind feet are elongated, and they move by hopping, although the adaptations are not as extreme as they are in true wallabies, and, like rabbits, they often use their fore limbs to move about at slower speeds.
The potoroids are, like nearly all diprotodonts, herbivorous. However, while they take a wide variety of plant foods, most have a particular taste for the fruiting bodies of fungi, and often depend on fungi to see them through periods when little else is available to eat in the dry Australian bush. One example of a potoroo that sustains itself on fungi is the long-footed potoroo. This animal's diet is almost entirely made up of fungal spores. This limits its habitat range as it needs to live in a moist environment, with dense cover to reduce predation from introduced species such as foxes and feral cats.
Ecology
The once populous species of this family played a role in the engineering of soil, dominating the sub-storey of vegetation, and regarded as crucial to the maintenance of the friable soils that they created by digging for fungi and other subsoil foods.[3]
Status
Four modern species of bettongs are extant and two have become extinct. Bettongs were endangered because settlers took much of their habitat, and the red foxes they introduced to the continent also killed many of them. At one time, several species lived all over Australia. Today, the Tasmanian bettong lives only in the eastern half of Tasmania, and the northern bettong lives only in three isolated populations in northern Queensland.
The potoroines have exemplified the impact of ecological changes since colonisation of Australia. Most species have become extinct within their former distribution range, and are either totally extinct or conserved only by preservation in isolated habitat and re-population programs.[3]
Classification
See also: List of macropodiformes
Gilbert's potoroo
Eastern bettong
A basal branch of the macropods,[3] the three extant genera of the Potoroidae contain eight species.[1][4]
The arrangements of the related taxa have seen an arrangement of the subfamilies within Potoroidae, although an earlier classification within the family Macropodidae has also been supported by genetic studies.
A conservative arrangement of modern and fossil taxa may be summarised as:[5]
family Potoroidae
subfamily †Palaeopotoroinae
genus Palaeopotorous
subfamily Potoroinae
genus Aepyprymnus
genus Bettongia
genus †Borungaboodie
genus †Milliyowi
genus †Caloprymnus
genus Potorous
genus †Purtia
genus †Wakiewakie
genus †Gumardee
subfamily †Bulungamayinae
genus Bulungamaya
genus Wabularoo
genus Wanburoo
genus Nowidgee
genus Ganguroo
References
Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. pp. 56–58. ISBN 0-801-88221-4. OCLC 62265494.
Poole, William E. (1984). Macdonald, D. (ed.). The Encyclopedia of Mammals. New York: Facts on File. pp. 862–871. ISBN 0-87196-871-1.
Prideaux, Gavin J.; Baynes, Alexander; Bunce, Michael; Aplin, Ken P.; Haouchar, Dalal; McDowell, Matthew C. (25 April 2015). "Morphological and molecular evidence supports specific recognition of the recently extinct Bettongia anhydra (Marsupialia: Macropodidae)". Journal of Mammalogy. 96 (2): 287–296. doi:10.1093/jmammal/gyv006. ISSN 0022-2372.
Haaramo, M. (15 November 2005). "Mikko's Phylogeny Archive: Potoroidae - rat-kenguroos". Archived from the original on 11 June 2007. Retrieved 2008-01-27.
Claridge, A.W.; Seebeck, J.H.; Rose, R. (2007). Bettongs, potoroos, and the musky rat-kangaroo. Collingwood, Victoria: CSIRO Pub. ISBN 9780643093416.
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