@inbook {7074,
	title = {Taxic origin and temporal diversity: the effect of phylogeny},
	booktitle = {Extinction and Phylogeny},
	year = {1992},
	note = {xerox},
	pages = {89-118},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {cladistics, paleontology, phylogeny, stratigraphy},
	author = {Norell, Mark A.},
	editor = {Novacek,  M. J. and Wheeler, Q. D.}
}
