Megalibgwilia

Megalibgwilia is a genus of echidna only known from fossils from Australia, it contains the oldest known echidna species.

 References 
 Long, J., Archer, M., Flannery, T. and Hand, S. 2002. Prehistoric Mammals of Australia and New Guinea: One Hundred Million Years of Evolution. Johns Hopkins University Press.  pp 45–47. 
 Griffiths, M., Wells, R.T., and Barrie, D.J. 1991. Observations on the skulls of fossil and extant echidnas (Monotremata:Tachyglossidae),. Australian Mammalology 14:87-101

Category:Monotremes