袋小齒獸屬
袋小齒獸屬(Nimbadon)是雙門齒目下一個所有種都已滅絕的屬,其下生物生活在中新世。大部份化石發現於澳大利亞的里弗斯利。
| 袋小齒獸屬 化石时期:  | |
|---|---|
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| 里弗斯利的N. lavarackorum頭骨化石 | |
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| 復原的N. lavarackorum母獸和幼獸 | |
| 科学分类  | |
| 界: | 动物界 Animalia | 
| 门: | 脊索动物门 Chordata | 
| 纲: | 哺乳纲 Mammalia | 
| 演化支: | 有袋類 Marsupialia | 
| 目: | 雙門齒目 Diprotodontia | 
| 亚目: | 袋熊亚目 Vombatiformes | 
| 下目: | 袋熊下目 Vombatomorphia | 
| 总科: | †双门齿总科 Diprotodontoidea | 
| 属: | †袋小齒獸屬 Nimbadon Hand, Archer, Godthelp, Rich & Pledge, 1993  | 
| 種 | |
| 
 †N. lavarackorum  | |
1990年在該地一個洞穴中發現了其頭骨化石。據估計其出現於1500萬年前,在1200萬年前滅絕,原因可能是氣候變化和棲息地喪失[1]
Nimbadon lavarackorum
    
Nimbadon lavarackorum與考拉很像,復原圖來自於24具組織結構清晰的化石。這種生物也主要棲息的在樹上,以及植物的莖葉為食。足、爪相對較大,在走動時可以收起爪子。[2][3]
參考文獻
    
- Fossils reveal prehistoric life cycle (页面存档备份,存于), Australian Geographic, July 20, 2010
 - Ancient tree-wombat behaved like a koala (页面存档备份,存于) - By Anna Salleh - Australian Broadcasting Corporation - Retrieved 22 November 2012.
 - Black KH, Camens AB, Archer M, Hand SJ. 2012. Herds Overhead: Nimbadon lavarackorum (Diprotodontidae), Heavyweight Marsupial Herbivores in the Miocene Forests of Australia. PLoS ONE. 7(11): e48213. doi: 10.1371/journal.pone.0048213
 
外部連結
    
- Australias lost kingdoms, Nimbodon.
 - Black K. H. and Hand. S 2010., Nimbadon crania and species boundaries, American Museum novitates, no. 3678(页面存档备份,存于)
 - KAREN H. BLACK,* MICHAEL ARCHER, SUZANNE J. HAND, and HENK GODTHELP FIRST COMPREHENSIVE ANALYSIS OF CRANIAL ONTOGENY IN A FOSSIL MARSUPIAL—FROM A 15-MILLION-YEAR-OLD CAVE DEPOSIT IN NORTHERN AUSTRALIA
 - "Cave yields marsupial fossil haul"(页面存档备份,存于). BBC News. 2010-07-19.
 - "Giant tree wombat discovery wins science prize"(页面存档备份,存于) ABC News 2012-05-03
 
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