@article {7708,
	title = {Assessing the fidelity of the fossil record by using marine bivalves},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {103},
	number = {17},
	year = {2006},
	note = {PDF},
	pages = {6599{\textendash}6604},
	keywords = {bivalvia, fossil record, mollusca, taphonomy},
	author = {Valentine, James W. and Jablonski, David and Roy, Kaustuv}
}
@article {6572,
	title = {Out of the tropics: evolutionary dynamics of the latitudinal diversity gradient},
	journal = {Science},
	volume = {314},
	year = {2006},
	note = {PDF},
	pages = {102-106},
	keywords = {biogeography, diversification, macroevolution},
	author = {Jablonski, David and Roy, Kaustuv and Valentine, James W.}
}
