# Wynyardiidae

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Extinct family of marsupials

Wynyardiidae Temporal range: Oligocene–Miocene PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Chordata Class: Mammalia Infraclass: Marsupialia Order: Diprotodontia Infraorder: Vombatomorphia Family: †Wynyardiidae Osgood, 1921[1] Genera †Ayekaye[2] †Muramura †Namilamadeta †Wynyardia

**Wynyardiidae** is an [extinct](/source/Extinct) [family](/source/Family_(taxonomy)) of [possum-like](/source/Phalangeriformes) [marsupials](/source/Marsupials) from the early [Miocene](/source/Miocene) of [Wynyard](/source/Wynyard%2C_Tasmania) in [Tasmania](/source/Tasmania), long been considered to display skeletal features that are intermediate between the primitive polyprotodont and the advanced [diprotodont](/source/Diprotodont) marsupials.

*Wynyardia'*s [brain](/source/Brain) is clearly phalangeroid in external [morphology](/source/Morphology_(biology)), resembling closely that of the [extant](/source/Extant_taxon) [phalangerid](/source/Phalangerid) *[Trichosurus vulpecula](/source/Trichosurus_vulpecula)*. This indicates that by 21 million years ago, an [unambiguously](/source/Unambiguous) phalangerid brain had evolved within the Diprotodonta family, indicating that both groups had a common ancestor prior to this date. Research on *Wynyardia bassiana'*s relationship with [fossil](/source/Fossil) phalangerid [species](/source/Species) of the Miocene is an ongoing process.

## Species

- †Wynyardiidae (Osgood 1921) - †*[Ayekaye jaredi](https://en.wikipedia.org/w/index.php?title=Ayekaye_jaredi&action=edit&redlink=1)* (Megirian *et al.*, 2004) - †*[Wynyardia bassiana](/source/Wynyardia_bassiana)* (Spencer 1901) - †*[Muramura williamsi](/source/Muramura)* (Pledge in Archer 1987) - †*[Muramura pinpensis](/source/Muramura)* (Pledge N S 2003) - †*[Namilamadeta snideri](/source/Namilamadeta)* (Rich & Archer 1979)

## Notes

1. **[^](#cite_ref-Osgood1921_1-0)** [Osgood, W.H.](/source/Wilfred_Hudson_Osgood); [Herrick, C.J.](https://en.wikipedia.org/w/index.php?title=C._Judson_Herrick&action=edit&redlink=1) (1921). ["A monographic study of the American marsupial, Caenolestes"](https://biodiversitylibrary.org/page/2663136). *Field Museum of Natural History, Zoological Series*. **14** (1). Field Museum of Natural History: 138.

1. **[^](#cite_ref-2)** Megirian, D; Murray, P; Schwartz, L; von der Borch, C (8 September 2004). "Late Oligocene Kangaroo Well Local Fauna from the Ulta Limestone (new name), and climate of the Miocene oscillation across central Australia". *Australian Journal of Earth Sciences*. **51** (5): 701–741. [Bibcode](/source/Bibcode_(identifier)):[2004AuJES..51..701M](https://ui.adsabs.harvard.edu/abs/2004AuJES..51..701M). [doi](/source/Doi_(identifier)):[10.1111/j.1400-0952.2004.01085.x](https://doi.org/10.1111%2Fj.1400-0952.2004.01085.x). [S2CID](/source/S2CID_(identifier)) [130136211](https://api.semanticscholar.org/CorpusID:130136211).

## References

- Wildlife of Gondwana, By Patricia Vickers-Rich and Thomas Hewett Rich 1993 [ISBN](/source/ISBN_(identifier)) [0-7301-0315-3](https://en.wikipedia.org/wiki/Special:BookSources/0-7301-0315-3) Reed.

## External links

- [Partial skeleton](http://www.samuseum.sa.gov.au/page/imageView.asp?host=http://asset2.clinicdesign.com.au/mam_asset&col=/client_db/MUSA&id=01ffa7c06470ce620000010da08eb324&name=Muramura_williamsiSAM)

- [By Neville S. Pledge 2003, A New Species of Muranura](https://web.archive.org/web/20051215200730/http://diglib1.amnh.org/bulletins/i0003-0090-279-01-0541.pdf)

v t e Vombatiformes Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Diprotodontia †Thylacoleonidae Enigmaleo Lekaneleo Microleo Thylacoleo Wakaleo Phascolarctidae †Invictokoala †Koobor †Litokoala †Madakoala †Nimiokoala †Perikoala Phascolarctos †Priscakoala Vombatomorphia †Thylacoleonidae? †Ilariidae Ilaria Kuterintja †Wynyardiidae Muramura Namilamadeta Wynyardia Vombatoidea †Marada? †Mukupirna Vombatidae Lasiorhinus †Nimbavombatus †Phascolonus †Ramsayia †Rhizophascolonus †Sedophascolomys Vombatus †Warendja †Diprotodontoidea Palorchestidae Palorchestes Propalorchestes Diprotodontidae Alkwertatherium Ambulator Diprotodon Euowenia Euryzygoma Hulitherium Kolopsis Kolopsoides Maokopia Meniscolophus Neohelos Ngapakaldia Nimbadon Nototherium Pitikantia Plaisiodon Pyramios Raemeotherium Silvabestius Sthenomerus Zygomaturus

Taxon identifiers Wynyardiidae Wikidata: Q309809 EoL: 4528933 GBIF: 3240148 IRMNG: 103759 Open Tree of Life: 4943542 Paleobiology Database: 40205

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