@article {6542,
	title = {Key innovations and the ecology of macroevolution},
	journal = {Trends in Ecology and Evolution},
	volume = {13},
	number = {1},
	year = {1998},
	note = {PDF},
	pages = {31-36},
	keywords = {ecology, evolution, key innovations, macroevolution},
	author = {Hunter, John P.}
}
