found: The paleobiology database, via WWW, Oct. 13, 2008(order Aepyornithiformes, superorder Struthionimorphae, Ratitae, Palaeognathae, Neornithes, infraclass Aves)
found: Merriam Webster online dictionary, viewed Oct. 13, 2008(elephant bird: any of a group (genus Aepyornis or order Aepyornithiformes) of gigantic flightless ratite birds known only from remains found in Madagascar)
found: Palaeos : the trace of life on Earth, via WWW, Oct. 13, 2008(Aepyornithiformes: the elephant birds of Pleistocene Madagascar. Phylogeny: Ratites)
found: Systema naturae 2000 classification, via WWW, Oct. 13, 2008(Order Aepyornithiformes, Parvclass Ratitae, Infraclass Eoaves, Subclass Neornithes, Class Aves)